Home / 141,732.57-212,603.72-75,082.53

Finding the Fourth Proportional to 141,732.57, 212,603.72 and 75,082.53

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Solution

The fourth proportional to 141,732.57, 212,603.72 and 75,082.53 is: 112,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,732.57 : 212,603.72 = 75,082.53 : x
  2. Step 2: Convert to fraction form
    141,732.57/212,603.72 = 75,082.53/x
  3. Step 3: Cross multiply
    141,732.57x = 212,603.72 × 75,082.53
  4. Step 4: Simplify right side
    141,732.57x = 15,962,824,809.60
  5. Step 5: Solve for x
    x = 15,962,824,809.60/141,732.57
  6. Step 6: Final answer
    x = 112,626.37

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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.