Home / 141,712.28-212,494.61-52,892.74

Finding the Fourth Proportional to 141,712.28, 212,494.61 and 52,892.74

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Solution

The fourth proportional to 141,712.28, 212,494.61 and 52,892.74 is: 79,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,712.28 : 212,494.61 = 52,892.74 : x
  2. Step 2: Convert to fraction form
    141,712.28/212,494.61 = 52,892.74/x
  3. Step 3: Cross multiply
    141,712.28x = 212,494.61 × 52,892.74
  4. Step 4: Simplify right side
    141,712.28x = 11,239,422,158.13
  5. Step 5: Solve for x
    x = 11,239,422,158.13/141,712.28
  6. Step 6: Final answer
    x = 79,311.56

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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.