Home / 109,584.35-151,224.92-61,187.02

Finding the Fourth Proportional to 109,584.35, 151,224.92 and 61,187.02

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Solution

The fourth proportional to 109,584.35, 151,224.92 and 61,187.02 is: 84,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,584.35 : 151,224.92 = 61,187.02 : x
  2. Step 2: Convert to fraction form
    109,584.35/151,224.92 = 61,187.02/x
  3. Step 3: Cross multiply
    109,584.35x = 151,224.92 × 61,187.02
  4. Step 4: Simplify right side
    109,584.35x = 9,253,002,641.20
  5. Step 5: Solve for x
    x = 9,253,002,641.20/109,584.35
  6. Step 6: Final answer
    x = 84,437.27

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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.