Home / 151,982.80-227,974.20-139,541.20

Finding the Fourth Proportional to 151,982.80, 227,974.20 and 139,541.20

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Solution

The fourth proportional to 151,982.80, 227,974.20 and 139,541.20 is: 209,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,982.80 : 227,974.20 = 139,541.20 : x
  2. Step 2: Convert to fraction form
    151,982.80/227,974.20 = 139,541.20/x
  3. Step 3: Cross multiply
    151,982.80x = 227,974.20 × 139,541.20
  4. Step 4: Simplify right side
    151,982.80x = 31,811,793,437.04
  5. Step 5: Solve for x
    x = 31,811,793,437.04/151,982.80
  6. Step 6: Final answer
    x = 209,311.80

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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.