Home / 124,997.16-172,487.52-71,284.44

Finding the Fourth Proportional to 124,997.16, 172,487.52 and 71,284.44

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Solution

The fourth proportional to 124,997.16, 172,487.52 and 71,284.44 is: 98,367.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,997.16 : 172,487.52 = 71,284.44 : x
  2. Step 2: Convert to fraction form
    124,997.16/172,487.52 = 71,284.44/x
  3. Step 3: Cross multiply
    124,997.16x = 172,487.52 × 71,284.44
  4. Step 4: Simplify right side
    124,997.16x = 12,295,676,270.19
  5. Step 5: Solve for x
    x = 12,295,676,270.19/124,997.16
  6. Step 6: Final answer
    x = 98,367.65

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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.