Home / 123,343.70-170,247.18-69,660.14

Finding the Fourth Proportional to 123,343.70, 170,247.18 and 69,660.14

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Solution

The fourth proportional to 123,343.70, 170,247.18 and 69,660.14 is: 96,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,343.70 : 170,247.18 = 69,660.14 : x
  2. Step 2: Convert to fraction form
    123,343.70/170,247.18 = 69,660.14/x
  3. Step 3: Cross multiply
    123,343.70x = 170,247.18 × 69,660.14
  4. Step 4: Simplify right side
    123,343.70x = 11,859,442,393.41
  5. Step 5: Solve for x
    x = 11,859,442,393.41/123,343.70
  6. Step 6: Final answer
    x = 96,149.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.