Home / 123,329.54-170,195.30-66,740.92

Finding the Fourth Proportional to 123,329.54, 170,195.30 and 66,740.92

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Solution

The fourth proportional to 123,329.54, 170,195.30 and 66,740.92 is: 92,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,329.54 : 170,195.30 = 66,740.92 : x
  2. Step 2: Convert to fraction form
    123,329.54/170,195.30 = 66,740.92/x
  3. Step 3: Cross multiply
    123,329.54x = 170,195.30 × 66,740.92
  4. Step 4: Simplify right side
    123,329.54x = 11,358,990,901.68
  5. Step 5: Solve for x
    x = 11,358,990,901.68/123,329.54
  6. Step 6: Final answer
    x = 92,102.76

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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.