Home / 170,721.80-256,082.70-114,734.60

Finding the Fourth Proportional to 170,721.80, 256,082.70 and 114,734.60

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Solution

The fourth proportional to 170,721.80, 256,082.70 and 114,734.60 is: 172,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,721.80 : 256,082.70 = 114,734.60 : x
  2. Step 2: Convert to fraction form
    170,721.80/256,082.70 = 114,734.60/x
  3. Step 3: Cross multiply
    170,721.80x = 256,082.70 × 114,734.60
  4. Step 4: Simplify right side
    170,721.80x = 29,381,546,151.42
  5. Step 5: Solve for x
    x = 29,381,546,151.42/170,721.80
  6. Step 6: Final answer
    x = 172,101.90

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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.