Home / 206,939.25-310,149.18-88,471.35

Finding the Fourth Proportional to 206,939.25, 310,149.18 and 88,471.35

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Solution

The fourth proportional to 206,939.25, 310,149.18 and 88,471.35 is: 132,596.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,939.25 : 310,149.18 = 88,471.35 : x
  2. Step 2: Convert to fraction form
    206,939.25/310,149.18 = 88,471.35/x
  3. Step 3: Cross multiply
    206,939.25x = 310,149.18 × 88,471.35
  4. Step 4: Simplify right side
    206,939.25x = 27,439,316,655.99
  5. Step 5: Solve for x
    x = 27,439,316,655.99/206,939.25
  6. Step 6: Final answer
    x = 132,596.00

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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.