Home / 83,684.44-126,102.31-69,218.92

Finding the Fourth Proportional to 83,684.44, 126,102.31 and 69,218.92

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Solution

The fourth proportional to 83,684.44, 126,102.31 and 69,218.92 is: 104,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,684.44 : 126,102.31 = 69,218.92 : x
  2. Step 2: Convert to fraction form
    83,684.44/126,102.31 = 69,218.92/x
  3. Step 3: Cross multiply
    83,684.44x = 126,102.31 × 69,218.92
  4. Step 4: Simplify right side
    83,684.44x = 8,728,665,707.71
  5. Step 5: Solve for x
    x = 8,728,665,707.71/83,684.44
  6. Step 6: Final answer
    x = 104,304.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.