Home / 151,837.20-227,750.40-68,731.20

Finding the Fourth Proportional to 151,837.20, 227,750.40 and 68,731.20

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Solution

The fourth proportional to 151,837.20, 227,750.40 and 68,731.20 is: 103,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,837.20 : 227,750.40 = 68,731.20 : x
  2. Step 2: Convert to fraction form
    151,837.20/227,750.40 = 68,731.20/x
  3. Step 3: Cross multiply
    151,837.20x = 227,750.40 × 68,731.20
  4. Step 4: Simplify right side
    151,837.20x = 15,653,558,292.48
  5. Step 5: Solve for x
    x = 15,653,558,292.48/151,837.20
  6. Step 6: Final answer
    x = 103,094.36

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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.