Home / 159,925.17-240,032.85-85,108.31

Finding the Fourth Proportional to 159,925.17, 240,032.85 and 85,108.31

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Solution

The fourth proportional to 159,925.17, 240,032.85 and 85,108.31 is: 127,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,925.17 : 240,032.85 = 85,108.31 : x
  2. Step 2: Convert to fraction form
    159,925.17/240,032.85 = 85,108.31/x
  3. Step 3: Cross multiply
    159,925.17x = 240,032.85 × 85,108.31
  4. Step 4: Simplify right side
    159,925.17x = 20,428,790,207.98
  5. Step 5: Solve for x
    x = 20,428,790,207.98/159,925.17
  6. Step 6: Final answer
    x = 127,739.68

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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.