Home / 137,538.04-206,273.76-100,534

Finding the Fourth Proportional to 137,538.04, 206,273.76 and 100,534

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Solution

The fourth proportional to 137,538.04, 206,273.76 and 100,534 is: 150,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,538.04 : 206,273.76 = 100,534 : x
  2. Step 2: Convert to fraction form
    137,538.04/206,273.76 = 100,534/x
  3. Step 3: Cross multiply
    137,538.04x = 206,273.76 × 100,534
  4. Step 4: Simplify right side
    137,538.04x = 20,737,526,187.84
  5. Step 5: Solve for x
    x = 20,737,526,187.84/137,538.04
  6. Step 6: Final answer
    x = 150,776.66

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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.