Home / 123,472.28-170,391.75-66,883.66

Finding the Fourth Proportional to 123,472.28, 170,391.75 and 66,883.66

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Solution

The fourth proportional to 123,472.28, 170,391.75 and 66,883.66 is: 92,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,472.28 : 170,391.75 = 66,883.66 : x
  2. Step 2: Convert to fraction form
    123,472.28/170,391.75 = 66,883.66/x
  3. Step 3: Cross multiply
    123,472.28x = 170,391.75 × 66,883.66
  4. Step 4: Simplify right side
    123,472.28x = 11,396,423,873.81
  5. Step 5: Solve for x
    x = 11,396,423,873.81/123,472.28
  6. Step 6: Final answer
    x = 92,299.45

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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.