Home / 102,609.78-141,562.53-62,308.32

Finding the Fourth Proportional to 102,609.78, 141,562.53 and 62,308.32

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Solution

The fourth proportional to 102,609.78, 141,562.53 and 62,308.32 is: 85,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,609.78 : 141,562.53 = 62,308.32 : x
  2. Step 2: Convert to fraction form
    102,609.78/141,562.53 = 62,308.32/x
  3. Step 3: Cross multiply
    102,609.78x = 141,562.53 × 62,308.32
  4. Step 4: Simplify right side
    102,609.78x = 8,820,523,419.25
  5. Step 5: Solve for x
    x = 8,820,523,419.25/102,609.78
  6. Step 6: Final answer
    x = 85,961.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.