Home / 161,882.30-242,823.45-99,587.90

Finding the Fourth Proportional to 161,882.30, 242,823.45 and 99,587.90

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Solution

The fourth proportional to 161,882.30, 242,823.45 and 99,587.90 is: 149,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,882.30 : 242,823.45 = 99,587.90 : x
  2. Step 2: Convert to fraction form
    161,882.30/242,823.45 = 99,587.90/x
  3. Step 3: Cross multiply
    161,882.30x = 242,823.45 × 99,587.90
  4. Step 4: Simplify right side
    161,882.30x = 24,182,277,456.26
  5. Step 5: Solve for x
    x = 24,182,277,456.26/161,882.30
  6. Step 6: Final answer
    x = 149,381.85

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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.