Home / 151,281.20-226,921.80-68,337.20

Finding the Fourth Proportional to 151,281.20, 226,921.80 and 68,337.20

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Solution

The fourth proportional to 151,281.20, 226,921.80 and 68,337.20 is: 102,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,281.20 : 226,921.80 = 68,337.20 : x
  2. Step 2: Convert to fraction form
    151,281.20/226,921.80 = 68,337.20/x
  3. Step 3: Cross multiply
    151,281.20x = 226,921.80 × 68,337.20
  4. Step 4: Simplify right side
    151,281.20x = 15,507,200,430.96
  5. Step 5: Solve for x
    x = 15,507,200,430.96/151,281.20
  6. Step 6: Final answer
    x = 102,505.80

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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.