Home / 122,727.78-169,356.60-69,012.18

Finding the Fourth Proportional to 122,727.78, 169,356.60 and 69,012.18

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Solution

The fourth proportional to 122,727.78, 169,356.60 and 69,012.18 is: 95,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,727.78 : 169,356.60 = 69,012.18 : x
  2. Step 2: Convert to fraction form
    122,727.78/169,356.60 = 69,012.18/x
  3. Step 3: Cross multiply
    122,727.78x = 169,356.60 × 69,012.18
  4. Step 4: Simplify right side
    122,727.78x = 11,687,668,163.39
  5. Step 5: Solve for x
    x = 11,687,668,163.39/122,727.78
  6. Step 6: Final answer
    x = 95,232.46

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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.