Home / 157,282.12-235,833.21-72,998.88

Finding the Fourth Proportional to 157,282.12, 235,833.21 and 72,998.88

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Solution

The fourth proportional to 157,282.12, 235,833.21 and 72,998.88 is: 109,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,282.12 : 235,833.21 = 72,998.88 : x
  2. Step 2: Convert to fraction form
    157,282.12/235,833.21 = 72,998.88/x
  3. Step 3: Cross multiply
    157,282.12x = 235,833.21 × 72,998.88
  4. Step 4: Simplify right side
    157,282.12x = 17,215,560,196.80
  5. Step 5: Solve for x
    x = 17,215,560,196.80/157,282.12
  6. Step 6: Final answer
    x = 109,456.56

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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.