Home / 121,053.38-181,580.97-42,167.48

Finding the Fourth Proportional to 121,053.38, 181,580.97 and 42,167.48

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Solution

The fourth proportional to 121,053.38, 181,580.97 and 42,167.48 is: 63,251.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,053.38 : 181,580.97 = 42,167.48 : x
  2. Step 2: Convert to fraction form
    121,053.38/181,580.97 = 42,167.48/x
  3. Step 3: Cross multiply
    121,053.38x = 181,580.97 × 42,167.48
  4. Step 4: Simplify right side
    121,053.38x = 7,656,811,012.95
  5. Step 5: Solve for x
    x = 7,656,811,012.95/121,053.38
  6. Step 6: Final answer
    x = 63,251.53

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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.