Home / 207,419.76-310,867.20-132,510.96

Finding the Fourth Proportional to 207,419.76, 310,867.20 and 132,510.96

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Solution

The fourth proportional to 207,419.76, 310,867.20 and 132,510.96 is: 198,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,419.76 : 310,867.20 = 132,510.96 : x
  2. Step 2: Convert to fraction form
    207,419.76/310,867.20 = 132,510.96/x
  3. Step 3: Cross multiply
    207,419.76x = 310,867.20 × 132,510.96
  4. Step 4: Simplify right side
    207,419.76x = 41,193,311,104.51
  5. Step 5: Solve for x
    x = 41,193,311,104.51/207,419.76
  6. Step 6: Final answer
    x = 198,598.78

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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.