Home / 375,742.11-563,614.32-91,432.71

Finding the Fourth Proportional to 375,742.11, 563,614.32 and 91,432.71

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Solution

The fourth proportional to 375,742.11, 563,614.32 and 91,432.71 is: 137,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,742.11 : 563,614.32 = 91,432.71 : x
  2. Step 2: Convert to fraction form
    375,742.11/563,614.32 = 91,432.71/x
  3. Step 3: Cross multiply
    375,742.11x = 563,614.32 × 91,432.71
  4. Step 4: Simplify right side
    375,742.11x = 51,532,785,015.28
  5. Step 5: Solve for x
    x = 51,532,785,015.28/375,742.11
  6. Step 6: Final answer
    x = 137,149.35

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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.