Home / 115,465.62-159,432.66-88,565.52

Finding the Fourth Proportional to 115,465.62, 159,432.66 and 88,565.52

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Solution

The fourth proportional to 115,465.62, 159,432.66 and 88,565.52 is: 122,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,465.62 : 159,432.66 = 88,565.52 : x
  2. Step 2: Convert to fraction form
    115,465.62/159,432.66 = 88,565.52/x
  3. Step 3: Cross multiply
    115,465.62x = 159,432.66 × 88,565.52
  4. Step 4: Simplify right side
    115,465.62x = 14,120,236,437.88
  5. Step 5: Solve for x
    x = 14,120,236,437.88/115,465.62
  6. Step 6: Final answer
    x = 122,289.53

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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.