Home / 123,338.15-170,207.16-66,749.52

Finding the Fourth Proportional to 123,338.15, 170,207.16 and 66,749.52

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Solution

The fourth proportional to 123,338.15, 170,207.16 and 66,749.52 is: 92,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,338.15 : 170,207.16 = 66,749.52 : x
  2. Step 2: Convert to fraction form
    123,338.15/170,207.16 = 66,749.52/x
  3. Step 3: Cross multiply
    123,338.15x = 170,207.16 × 66,749.52
  4. Step 4: Simplify right side
    123,338.15x = 11,361,246,230.56
  5. Step 5: Solve for x
    x = 11,361,246,230.56/123,338.15
  6. Step 6: Final answer
    x = 92,114.62

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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.