Home / 123,988.33-171,105.60-67,400.92

Finding the Fourth Proportional to 123,988.33, 171,105.60 and 67,400.92

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Solution

The fourth proportional to 123,988.33, 171,105.60 and 67,400.92 is: 93,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,988.33 : 171,105.60 = 67,400.92 : x
  2. Step 2: Convert to fraction form
    123,988.33/171,105.60 = 67,400.92/x
  3. Step 3: Cross multiply
    123,988.33x = 171,105.60 × 67,400.92
  4. Step 4: Simplify right side
    123,988.33x = 11,532,675,323.79
  5. Step 5: Solve for x
    x = 11,532,675,323.79/123,988.33
  6. Step 6: Final answer
    x = 93,014.20

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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.