Home / 151,406.30-227,218.80-84,775.70

Finding the Fourth Proportional to 151,406.30, 227,218.80 and 84,775.70

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Solution

The fourth proportional to 151,406.30, 227,218.80 and 84,775.70 is: 127,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,406.30 : 227,218.80 = 84,775.70 : x
  2. Step 2: Convert to fraction form
    151,406.30/227,218.80 = 84,775.70/x
  3. Step 3: Cross multiply
    151,406.30x = 227,218.80 × 84,775.70
  4. Step 4: Simplify right side
    151,406.30x = 19,262,632,823.16
  5. Step 5: Solve for x
    x = 19,262,632,823.16/151,406.30
  6. Step 6: Final answer
    x = 127,224.78

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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.