Home / 129,087.08-193,350.21-62,387.33

Finding the Fourth Proportional to 129,087.08, 193,350.21 and 62,387.33

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Solution

The fourth proportional to 129,087.08, 193,350.21 and 62,387.33 is: 93,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,087.08 : 193,350.21 = 62,387.33 : x
  2. Step 2: Convert to fraction form
    129,087.08/193,350.21 = 62,387.33/x
  3. Step 3: Cross multiply
    129,087.08x = 193,350.21 × 62,387.33
  4. Step 4: Simplify right side
    129,087.08x = 12,062,602,390.09
  5. Step 5: Solve for x
    x = 12,062,602,390.09/129,087.08
  6. Step 6: Final answer
    x = 93,445.47

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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.