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Finding the Fourth Proportional to 100,452.15, 150,678.02 and 41,246.15

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Solution

The fourth proportional to 100,452.15, 150,678.02 and 41,246.15 is: 61,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,452.15 : 150,678.02 = 41,246.15 : x
  2. Step 2: Convert to fraction form
    100,452.15/150,678.02 = 41,246.15/x
  3. Step 3: Cross multiply
    100,452.15x = 150,678.02 × 41,246.15
  4. Step 4: Simplify right side
    100,452.15x = 6,214,887,564.35
  5. Step 5: Solve for x
    x = 6,214,887,564.35/100,452.15
  6. Step 6: Final answer
    x = 61,869.13

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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.