Home / 161,724.80-242,587.20-73,151.30

Finding the Fourth Proportional to 161,724.80, 242,587.20 and 73,151.30

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Solution

The fourth proportional to 161,724.80, 242,587.20 and 73,151.30 is: 109,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,724.80 : 242,587.20 = 73,151.30 : x
  2. Step 2: Convert to fraction form
    161,724.80/242,587.20 = 73,151.30/x
  3. Step 3: Cross multiply
    161,724.80x = 242,587.20 × 73,151.30
  4. Step 4: Simplify right side
    161,724.80x = 17,745,569,043.36
  5. Step 5: Solve for x
    x = 17,745,569,043.36/161,724.80
  6. Step 6: Final answer
    x = 109,726.95

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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.