Home / 123,580.56-170,542.08-66,992.34

Finding the Fourth Proportional to 123,580.56, 170,542.08 and 66,992.34

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Solution

The fourth proportional to 123,580.56, 170,542.08 and 66,992.34 is: 92,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,580.56 : 170,542.08 = 66,992.34 : x
  2. Step 2: Convert to fraction form
    123,580.56/170,542.08 = 66,992.34/x
  3. Step 3: Cross multiply
    123,580.56x = 170,542.08 × 66,992.34
  4. Step 4: Simplify right side
    123,580.56x = 11,425,013,007.67
  5. Step 5: Solve for x
    x = 11,425,013,007.67/123,580.56
  6. Step 6: Final answer
    x = 92,449.92

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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.