Home / 123,727.55-170,744.47-67,138.92

Finding the Fourth Proportional to 123,727.55, 170,744.47 and 67,138.92

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Solution

The fourth proportional to 123,727.55, 170,744.47 and 67,138.92 is: 92,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,727.55 : 170,744.47 = 67,138.92 : x
  2. Step 2: Convert to fraction form
    123,727.55/170,744.47 = 67,138.92/x
  3. Step 3: Cross multiply
    123,727.55x = 170,744.47 × 67,138.92
  4. Step 4: Simplify right side
    123,727.55x = 11,463,600,035.99
  5. Step 5: Solve for x
    x = 11,463,600,035.99/123,727.55
  6. Step 6: Final answer
    x = 92,651.96

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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.