Home / 123,504.46-170,433.92-69,788.32

Finding the Fourth Proportional to 123,504.46, 170,433.92 and 69,788.32

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Solution

The fourth proportional to 123,504.46, 170,433.92 and 69,788.32 is: 96,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,504.46 : 170,433.92 = 69,788.32 : x
  2. Step 2: Convert to fraction form
    123,504.46/170,433.92 = 69,788.32/x
  3. Step 3: Cross multiply
    123,504.46x = 170,433.92 × 69,788.32
  4. Step 4: Simplify right side
    123,504.46x = 11,894,296,270.12
  5. Step 5: Solve for x
    x = 11,894,296,270.12/123,504.46
  6. Step 6: Final answer
    x = 96,306.62

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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.