Home / 121,177.80-181,753.76-42,293.52

Finding the Fourth Proportional to 121,177.80, 181,753.76 and 42,293.52

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Solution

The fourth proportional to 121,177.80, 181,753.76 and 42,293.52 is: 63,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,177.80 : 181,753.76 = 42,293.52 : x
  2. Step 2: Convert to fraction form
    121,177.80/181,753.76 = 42,293.52/x
  3. Step 3: Cross multiply
    121,177.80x = 181,753.76 × 42,293.52
  4. Step 4: Simplify right side
    121,177.80x = 7,687,006,283.64
  5. Step 5: Solve for x
    x = 7,687,006,283.64/121,177.80
  6. Step 6: Final answer
    x = 63,435.76

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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.