Home / 141,382.28-212,076.16-113,171.40

Finding the Fourth Proportional to 141,382.28, 212,076.16 and 113,171.40

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Solution

The fourth proportional to 141,382.28, 212,076.16 and 113,171.40 is: 169,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,382.28 : 212,076.16 = 113,171.40 : x
  2. Step 2: Convert to fraction form
    141,382.28/212,076.16 = 113,171.40/x
  3. Step 3: Cross multiply
    141,382.28x = 212,076.16 × 113,171.40
  4. Step 4: Simplify right side
    141,382.28x = 24,000,955,650.90
  5. Step 5: Solve for x
    x = 24,000,955,650.90/141,382.28
  6. Step 6: Final answer
    x = 169,759.29

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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.