Home / 84,159.32-126,150.36-27,984.34

Finding the Fourth Proportional to 84,159.32, 126,150.36 and 27,984.34

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Solution

The fourth proportional to 84,159.32, 126,150.36 and 27,984.34 is: 41,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,159.32 : 126,150.36 = 27,984.34 : x
  2. Step 2: Convert to fraction form
    84,159.32/126,150.36 = 27,984.34/x
  3. Step 3: Cross multiply
    84,159.32x = 126,150.36 × 27,984.34
  4. Step 4: Simplify right side
    84,159.32x = 3,530,234,565.36
  5. Step 5: Solve for x
    x = 3,530,234,565.36/84,159.32
  6. Step 6: Final answer
    x = 41,947.04

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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.