Home / 113,121.04-169,521.08-83,305.04

Finding the Fourth Proportional to 113,121.04, 169,521.08 and 83,305.04

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Solution

The fourth proportional to 113,121.04, 169,521.08 and 83,305.04 is: 124,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,121.04 : 169,521.08 = 83,305.04 : x
  2. Step 2: Convert to fraction form
    113,121.04/169,521.08 = 83,305.04/x
  3. Step 3: Cross multiply
    113,121.04x = 169,521.08 × 83,305.04
  4. Step 4: Simplify right side
    113,121.04x = 14,121,960,350.24
  5. Step 5: Solve for x
    x = 14,121,960,350.24/113,121.04
  6. Step 6: Final answer
    x = 124,839.38

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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.