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Finding the Fourth Proportional to 132,866.10, 199,299.15 and 97,874.10

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Solution

The fourth proportional to 132,866.10, 199,299.15 and 97,874.10 is: 146,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,866.10 : 199,299.15 = 97,874.10 : x
  2. Step 2: Convert to fraction form
    132,866.10/199,299.15 = 97,874.10/x
  3. Step 3: Cross multiply
    132,866.10x = 199,299.15 × 97,874.10
  4. Step 4: Simplify right side
    132,866.10x = 19,506,224,937.02
  5. Step 5: Solve for x
    x = 19,506,224,937.02/132,866.10
  6. Step 6: Final answer
    x = 146,811.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.