Home / 115,165.60-158,928.38-64,177.97

Finding the Fourth Proportional to 115,165.60, 158,928.38 and 64,177.97

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Solution

The fourth proportional to 115,165.60, 158,928.38 and 64,177.97 is: 88,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,165.60 : 158,928.38 = 64,177.97 : x
  2. Step 2: Convert to fraction form
    115,165.60/158,928.38 = 64,177.97/x
  3. Step 3: Cross multiply
    115,165.60x = 158,928.38 × 64,177.97
  4. Step 4: Simplify right side
    115,165.60x = 10,199,700,822.90
  5. Step 5: Solve for x
    x = 10,199,700,822.90/115,165.60
  6. Step 6: Final answer
    x = 88,565.52

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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.