Home / 137,251.23-205,793.40-57,192.45

Finding the Fourth Proportional to 137,251.23, 205,793.40 and 57,192.45

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Solution

The fourth proportional to 137,251.23, 205,793.40 and 57,192.45 is: 85,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,251.23 : 205,793.40 = 57,192.45 : x
  2. Step 2: Convert to fraction form
    137,251.23/205,793.40 = 57,192.45/x
  3. Step 3: Cross multiply
    137,251.23x = 205,793.40 × 57,192.45
  4. Step 4: Simplify right side
    137,251.23x = 11,769,828,182.58
  5. Step 5: Solve for x
    x = 11,769,828,182.58/137,251.23
  6. Step 6: Final answer
    x = 85,753.90

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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.