Home / 151,847.28-209,540.04-91,437.48

Finding the Fourth Proportional to 151,847.28, 209,540.04 and 91,437.48

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Solution

The fourth proportional to 151,847.28, 209,540.04 and 91,437.48 is: 126,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,847.28 : 209,540.04 = 91,437.48 : x
  2. Step 2: Convert to fraction form
    151,847.28/209,540.04 = 91,437.48/x
  3. Step 3: Cross multiply
    151,847.28x = 209,540.04 × 91,437.48
  4. Step 4: Simplify right side
    151,847.28x = 19,159,813,216.70
  5. Step 5: Solve for x
    x = 19,159,813,216.70/151,847.28
  6. Step 6: Final answer
    x = 126,178.18

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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.