Home / 113,230.71-169,851.23-80,098.88

Finding the Fourth Proportional to 113,230.71, 169,851.23 and 80,098.88

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Solution

The fourth proportional to 113,230.71, 169,851.23 and 80,098.88 is: 120,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,230.71 : 169,851.23 = 80,098.88 : x
  2. Step 2: Convert to fraction form
    113,230.71/169,851.23 = 80,098.88/x
  3. Step 3: Cross multiply
    113,230.71x = 169,851.23 × 80,098.88
  4. Step 4: Simplify right side
    113,230.71x = 13,604,892,340.24
  5. Step 5: Solve for x
    x = 13,604,892,340.24/113,230.71
  6. Step 6: Final answer
    x = 120,151.97

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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.