Home / 141,372.64-212,057.52-36,191.20

Finding the Fourth Proportional to 141,372.64, 212,057.52 and 36,191.20

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Solution

The fourth proportional to 141,372.64, 212,057.52 and 36,191.20 is: 54,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,372.64 : 212,057.52 = 36,191.20 : x
  2. Step 2: Convert to fraction form
    141,372.64/212,057.52 = 36,191.20/x
  3. Step 3: Cross multiply
    141,372.64x = 212,057.52 × 36,191.20
  4. Step 4: Simplify right side
    141,372.64x = 7,674,616,117.82
  5. Step 5: Solve for x
    x = 7,674,616,117.82/141,372.64
  6. Step 6: Final answer
    x = 54,286.43

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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.