Home / 131,726.80-197,610.76-42,959.66

Finding the Fourth Proportional to 131,726.80, 197,610.76 and 42,959.66

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Solution

The fourth proportional to 131,726.80, 197,610.76 and 42,959.66 is: 64,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,726.80 : 197,610.76 = 42,959.66 : x
  2. Step 2: Convert to fraction form
    131,726.80/197,610.76 = 42,959.66/x
  3. Step 3: Cross multiply
    131,726.80x = 197,610.76 × 42,959.66
  4. Step 4: Simplify right side
    131,726.80x = 8,489,291,061.94
  5. Step 5: Solve for x
    x = 8,489,291,061.94/131,726.80
  6. Step 6: Final answer
    x = 64,446.20

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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.