Home / 141,387.40-212,008.20-52,595.20

Finding the Fourth Proportional to 141,387.40, 212,008.20 and 52,595.20

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Solution

The fourth proportional to 141,387.40, 212,008.20 and 52,595.20 is: 78,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,387.40 : 212,008.20 = 52,595.20 : x
  2. Step 2: Convert to fraction form
    141,387.40/212,008.20 = 52,595.20/x
  3. Step 3: Cross multiply
    141,387.40x = 212,008.20 × 52,595.20
  4. Step 4: Simplify right side
    141,387.40x = 11,150,613,680.64
  5. Step 5: Solve for x
    x = 11,150,613,680.64/141,387.40
  6. Step 6: Final answer
    x = 78,865.68

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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.