Home / 122,839.96-169,527.72-69,130.12

Finding the Fourth Proportional to 122,839.96, 169,527.72 and 69,130.12

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Solution

The fourth proportional to 122,839.96, 169,527.72 and 69,130.12 is: 95,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,839.96 : 169,527.72 = 69,130.12 : x
  2. Step 2: Convert to fraction form
    122,839.96/169,527.72 = 69,130.12/x
  3. Step 3: Cross multiply
    122,839.96x = 169,527.72 × 69,130.12
  4. Step 4: Simplify right side
    122,839.96x = 11,719,471,626.93
  5. Step 5: Solve for x
    x = 11,719,471,626.93/122,839.96
  6. Step 6: Final answer
    x = 95,404.39

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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.