Home / 124,733.88-172,123.20-71,008.20

Finding the Fourth Proportional to 124,733.88, 172,123.20 and 71,008.20

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Solution

The fourth proportional to 124,733.88, 172,123.20 and 71,008.20 is: 97,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,733.88 : 172,123.20 = 71,008.20 : x
  2. Step 2: Convert to fraction form
    124,733.88/172,123.20 = 71,008.20/x
  3. Step 3: Cross multiply
    124,733.88x = 172,123.20 × 71,008.20
  4. Step 4: Simplify right side
    124,733.88x = 12,222,158,610.24
  5. Step 5: Solve for x
    x = 12,222,158,610.24/124,733.88
  6. Step 6: Final answer
    x = 97,985.88

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1.5x scale

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.