Home / 84,248.28-126,109.62-71,651.16

Finding the Fourth Proportional to 84,248.28, 126,109.62 and 71,651.16

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Solution

The fourth proportional to 84,248.28, 126,109.62 and 71,651.16 is: 107,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248.28 : 126,109.62 = 71,651.16 : x
  2. Step 2: Convert to fraction form
    84,248.28/126,109.62 = 71,651.16/x
  3. Step 3: Cross multiply
    84,248.28x = 126,109.62 × 71,651.16
  4. Step 4: Simplify right side
    84,248.28x = 9,035,900,560.16
  5. Step 5: Solve for x
    x = 9,035,900,560.16/84,248.28
  6. Step 6: Final answer
    x = 107,253.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.