Home / 141,932.11-212,657.17-85,653.96

Finding the Fourth Proportional to 141,932.11, 212,657.17 and 85,653.96

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Solution

The fourth proportional to 141,932.11, 212,657.17 and 85,653.96 is: 128,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,932.11 : 212,657.17 = 85,653.96 : x
  2. Step 2: Convert to fraction form
    141,932.11/212,657.17 = 85,653.96/x
  3. Step 3: Cross multiply
    141,932.11x = 212,657.17 × 85,653.96
  4. Step 4: Simplify right side
    141,932.11x = 18,214,928,732.89
  5. Step 5: Solve for x
    x = 18,214,928,732.89/141,932.11
  6. Step 6: Final answer
    x = 128,335.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.