Home / 123,632.08-170,610.78-67,042.78

Finding the Fourth Proportional to 123,632.08, 170,610.78 and 67,042.78

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Solution

The fourth proportional to 123,632.08, 170,610.78 and 67,042.78 is: 92,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,632.08 : 170,610.78 = 67,042.78 : x
  2. Step 2: Convert to fraction form
    123,632.08/170,610.78 = 67,042.78/x
  3. Step 3: Cross multiply
    123,632.08x = 170,610.78 × 67,042.78
  4. Step 4: Simplify right side
    123,632.08x = 11,438,220,989.17
  5. Step 5: Solve for x
    x = 11,438,220,989.17/123,632.08
  6. Step 6: Final answer
    x = 92,518.23

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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.