Home / 123,302.05-170,156.82-66,713.43

Finding the Fourth Proportional to 123,302.05, 170,156.82 and 66,713.43

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Solution

The fourth proportional to 123,302.05, 170,156.82 and 66,713.43 is: 92,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,302.05 : 170,156.82 = 66,713.43 : x
  2. Step 2: Convert to fraction form
    123,302.05/170,156.82 = 66,713.43/x
  3. Step 3: Cross multiply
    123,302.05x = 170,156.82 × 66,713.43
  4. Step 4: Simplify right side
    123,302.05x = 11,351,744,766.53
  5. Step 5: Solve for x
    x = 11,351,744,766.53/123,302.05
  6. Step 6: Final answer
    x = 92,064.53

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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.