Home / 141,397.70-212,085.53-82,195.61

Finding the Fourth Proportional to 141,397.70, 212,085.53 and 82,195.61

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Solution

The fourth proportional to 141,397.70, 212,085.53 and 82,195.61 is: 123,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,397.70 : 212,085.53 = 82,195.61 : x
  2. Step 2: Convert to fraction form
    141,397.70/212,085.53 = 82,195.61/x
  3. Step 3: Cross multiply
    141,397.70x = 212,085.53 × 82,195.61
  4. Step 4: Simplify right side
    141,397.70x = 17,432,499,099.55
  5. Step 5: Solve for x
    x = 17,432,499,099.55/141,397.70
  6. Step 6: Final answer
    x = 123,287.01

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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.