Home / 137,565.29-206,366.31-54,439.85

Finding the Fourth Proportional to 137,565.29, 206,366.31 and 54,439.85

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Solution

The fourth proportional to 137,565.29, 206,366.31 and 54,439.85 is: 81,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,565.29 : 206,366.31 = 54,439.85 : x
  2. Step 2: Convert to fraction form
    137,565.29/206,366.31 = 54,439.85/x
  3. Step 3: Cross multiply
    137,565.29x = 206,366.31 × 54,439.85
  4. Step 4: Simplify right side
    137,565.29x = 11,234,551,477.37
  5. Step 5: Solve for x
    x = 11,234,551,477.37/137,565.29
  6. Step 6: Final answer
    x = 81,667.05

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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.