Home / 137,395.46-206,122.84-42,623.79

Finding the Fourth Proportional to 137,395.46, 206,122.84 and 42,623.79

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Solution

The fourth proportional to 137,395.46, 206,122.84 and 42,623.79 is: 63,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,395.46 : 206,122.84 = 42,623.79 : x
  2. Step 2: Convert to fraction form
    137,395.46/206,122.84 = 42,623.79/x
  3. Step 3: Cross multiply
    137,395.46x = 206,122.84 × 42,623.79
  4. Step 4: Simplify right side
    137,395.46x = 8,785,736,539.80
  5. Step 5: Solve for x
    x = 8,785,736,539.80/137,395.46
  6. Step 6: Final answer
    x = 63,944.88

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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.