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Finding the Fourth Proportional to 134,884.70, 202,327.05 and 71,899.10

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Solution

The fourth proportional to 134,884.70, 202,327.05 and 71,899.10 is: 107,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,884.70 : 202,327.05 = 71,899.10 : x
  2. Step 2: Convert to fraction form
    134,884.70/202,327.05 = 71,899.10/x
  3. Step 3: Cross multiply
    134,884.70x = 202,327.05 × 71,899.10
  4. Step 4: Simplify right side
    134,884.70x = 14,547,132,800.66
  5. Step 5: Solve for x
    x = 14,547,132,800.66/134,884.70
  6. Step 6: Final answer
    x = 107,848.65

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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.