Home / 151,708.30-227,562.45-138,914.35

Finding the Fourth Proportional to 151,708.30, 227,562.45 and 138,914.35

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Solution

The fourth proportional to 151,708.30, 227,562.45 and 138,914.35 is: 208,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,708.30 : 227,562.45 = 138,914.35 : x
  2. Step 2: Convert to fraction form
    151,708.30/227,562.45 = 138,914.35/x
  3. Step 3: Cross multiply
    151,708.30x = 227,562.45 × 138,914.35
  4. Step 4: Simplify right side
    151,708.30x = 31,611,689,826.16
  5. Step 5: Solve for x
    x = 31,611,689,826.16/151,708.30
  6. Step 6: Final answer
    x = 208,371.53

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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.