Home / 103,614.32-155,398.26-40,436.12

Finding the Fourth Proportional to 103,614.32, 155,398.26 and 40,436.12

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Solution

The fourth proportional to 103,614.32, 155,398.26 and 40,436.12 is: 60,645.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,614.32 : 155,398.26 = 40,436.12 : x
  2. Step 2: Convert to fraction form
    103,614.32/155,398.26 = 40,436.12/x
  3. Step 3: Cross multiply
    103,614.32x = 155,398.26 × 40,436.12
  4. Step 4: Simplify right side
    103,614.32x = 6,283,702,689.15
  5. Step 5: Solve for x
    x = 6,283,702,689.15/103,614.32
  6. Step 6: Final answer
    x = 60,645.12

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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.