Home / 109,162.32-150,631.95-61,414.86

Finding the Fourth Proportional to 109,162.32, 150,631.95 and 61,414.86

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Solution

The fourth proportional to 109,162.32, 150,631.95 and 61,414.86 is: 84,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,162.32 : 150,631.95 = 61,414.86 : x
  2. Step 2: Convert to fraction form
    109,162.32/150,631.95 = 61,414.86/x
  3. Step 3: Cross multiply
    109,162.32x = 150,631.95 × 61,414.86
  4. Step 4: Simplify right side
    109,162.32x = 9,251,040,120.78
  5. Step 5: Solve for x
    x = 9,251,040,120.78/109,162.32
  6. Step 6: Final answer
    x = 84,745.73

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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.