Home / 109,565.57-151,207.62-61,801.49

Finding the Fourth Proportional to 109,565.57, 151,207.62 and 61,801.49

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Solution

The fourth proportional to 109,565.57, 151,207.62 and 61,801.49 is: 85,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,565.57 : 151,207.62 = 61,801.49 : x
  2. Step 2: Convert to fraction form
    109,565.57/151,207.62 = 61,801.49/x
  3. Step 3: Cross multiply
    109,565.57x = 151,207.62 × 61,801.49
  4. Step 4: Simplify right side
    109,565.57x = 9,344,856,215.35
  5. Step 5: Solve for x
    x = 9,344,856,215.35/109,565.57
  6. Step 6: Final answer
    x = 85,290.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.