Home / 151,742.40-227,467.80-117,989.70

Finding the Fourth Proportional to 151,742.40, 227,467.80 and 117,989.70

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Solution

The fourth proportional to 151,742.40, 227,467.80 and 117,989.70 is: 176,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,742.40 : 227,467.80 = 117,989.70 : x
  2. Step 2: Convert to fraction form
    151,742.40/227,467.80 = 117,989.70/x
  3. Step 3: Cross multiply
    151,742.40x = 227,467.80 × 117,989.70
  4. Step 4: Simplify right side
    151,742.40x = 26,838,857,481.66
  5. Step 5: Solve for x
    x = 26,838,857,481.66/151,742.40
  6. Step 6: Final answer
    x = 176,871.18

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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.