Home / 124,953.98-172,432.19-71,256.28

Finding the Fourth Proportional to 124,953.98, 172,432.19 and 71,256.28

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Solution

The fourth proportional to 124,953.98, 172,432.19 and 71,256.28 is: 98,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,953.98 : 172,432.19 = 71,256.28 : x
  2. Step 2: Convert to fraction form
    124,953.98/172,432.19 = 71,256.28/x
  3. Step 3: Cross multiply
    124,953.98x = 172,432.19 × 71,256.28
  4. Step 4: Simplify right side
    124,953.98x = 12,286,876,411.65
  5. Step 5: Solve for x
    x = 12,286,876,411.65/124,953.98
  6. Step 6: Final answer
    x = 98,331.21

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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.