Home / 141,378.64-212,066.88-36,197.44

Finding the Fourth Proportional to 141,378.64, 212,066.88 and 36,197.44

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Solution

The fourth proportional to 141,378.64, 212,066.88 and 36,197.44 is: 54,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,378.64 : 212,066.88 = 36,197.44 : x
  2. Step 2: Convert to fraction form
    141,378.64/212,066.88 = 36,197.44/x
  3. Step 3: Cross multiply
    141,378.64x = 212,066.88 × 36,197.44
  4. Step 4: Simplify right side
    141,378.64x = 7,676,278,164.79
  5. Step 5: Solve for x
    x = 7,676,278,164.79/141,378.64
  6. Step 6: Final answer
    x = 54,295.88

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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.