Home / 123,738.24-170,758.77-67,149.62

Finding the Fourth Proportional to 123,738.24, 170,758.77 and 67,149.62

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Solution

The fourth proportional to 123,738.24, 170,758.77 and 67,149.62 is: 92,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,738.24 : 170,758.77 = 67,149.62 : x
  2. Step 2: Convert to fraction form
    123,738.24/170,758.77 = 67,149.62/x
  3. Step 3: Cross multiply
    123,738.24x = 170,758.77 × 67,149.62
  4. Step 4: Simplify right side
    123,738.24x = 11,466,385,327.63
  5. Step 5: Solve for x
    x = 11,466,385,327.63/123,738.24
  6. Step 6: Final answer
    x = 92,666.47

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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.