Home / 126,986.78-175,232.30-69,616.92

Finding the Fourth Proportional to 126,986.78, 175,232.30 and 69,616.92

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Solution

The fourth proportional to 126,986.78, 175,232.30 and 69,616.92 is: 96,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,986.78 : 175,232.30 = 69,616.92 : x
  2. Step 2: Convert to fraction form
    126,986.78/175,232.30 = 69,616.92/x
  3. Step 3: Cross multiply
    126,986.78x = 175,232.30 × 69,616.92
  4. Step 4: Simplify right side
    126,986.78x = 12,199,133,010.52
  5. Step 5: Solve for x
    x = 12,199,133,010.52/126,986.78
  6. Step 6: Final answer
    x = 96,066.17

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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.