Home / 226,765.20-340,147.80-77,174.40

Finding the Fourth Proportional to 226,765.20, 340,147.80 and 77,174.40

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Solution

The fourth proportional to 226,765.20, 340,147.80 and 77,174.40 is: 115,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,765.20 : 340,147.80 = 77,174.40 : x
  2. Step 2: Convert to fraction form
    226,765.20/340,147.80 = 77,174.40/x
  3. Step 3: Cross multiply
    226,765.20x = 340,147.80 × 77,174.40
  4. Step 4: Simplify right side
    226,765.20x = 26,250,702,376.32
  5. Step 5: Solve for x
    x = 26,250,702,376.32/226,765.20
  6. Step 6: Final answer
    x = 115,761.60

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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.