Home / 124,889.52-172,345.80-71,177.76

Finding the Fourth Proportional to 124,889.52, 172,345.80 and 71,177.76

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Solution

The fourth proportional to 124,889.52, 172,345.80 and 71,177.76 is: 98,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,889.52 : 172,345.80 = 71,177.76 : x
  2. Step 2: Convert to fraction form
    124,889.52/172,345.80 = 71,177.76/x
  3. Step 3: Cross multiply
    124,889.52x = 172,345.80 × 71,177.76
  4. Step 4: Simplify right side
    124,889.52x = 12,267,187,989.41
  5. Step 5: Solve for x
    x = 12,267,187,989.41/124,889.52
  6. Step 6: Final answer
    x = 98,224.32

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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.