Home / 239,540.76-359,343.90-81,726.84

Finding the Fourth Proportional to 239,540.76, 359,343.90 and 81,726.84

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Solution

The fourth proportional to 239,540.76, 359,343.90 and 81,726.84 is: 122,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,540.76 : 359,343.90 = 81,726.84 : x
  2. Step 2: Convert to fraction form
    239,540.76/359,343.90 = 81,726.84/x
  3. Step 3: Cross multiply
    239,540.76x = 359,343.90 × 81,726.84
  4. Step 4: Simplify right side
    239,540.76x = 29,368,041,420.28
  5. Step 5: Solve for x
    x = 29,368,041,420.28/239,540.76
  6. Step 6: Final answer
    x = 122,601.44

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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.