Home / 137,405.03-206,136.97-42,633.17

Finding the Fourth Proportional to 137,405.03, 206,136.97 and 42,633.17

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Solution

The fourth proportional to 137,405.03, 206,136.97 and 42,633.17 is: 63,958.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,405.03 : 206,136.97 = 42,633.17 : x
  2. Step 2: Convert to fraction form
    137,405.03/206,136.97 = 42,633.17/x
  3. Step 3: Cross multiply
    137,405.03x = 206,136.97 × 42,633.17
  4. Step 4: Simplify right side
    137,405.03x = 8,788,272,121.04
  5. Step 5: Solve for x
    x = 8,788,272,121.04/137,405.03
  6. Step 6: Final answer
    x = 63,958.88

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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.