Home / 123,292.52-170,146.39-68,101.70

Finding the Fourth Proportional to 123,292.52, 170,146.39 and 68,101.70

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Solution

The fourth proportional to 123,292.52, 170,146.39 and 68,101.70 is: 93,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,292.52 : 170,146.39 = 68,101.70 : x
  2. Step 2: Convert to fraction form
    123,292.52/170,146.39 = 68,101.70/x
  3. Step 3: Cross multiply
    123,292.52x = 170,146.39 × 68,101.70
  4. Step 4: Simplify right side
    123,292.52x = 11,587,258,407.86
  5. Step 5: Solve for x
    x = 11,587,258,407.86/123,292.52
  6. Step 6: Final answer
    x = 93,981.84

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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.