Home / 95,439.20-143,036.40-53,319.20

Finding the Fourth Proportional to 95,439.20, 143,036.40 and 53,319.20

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Solution

The fourth proportional to 95,439.20, 143,036.40 and 53,319.20 is: 79,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,439.20 : 143,036.40 = 53,319.20 : x
  2. Step 2: Convert to fraction form
    95,439.20/143,036.40 = 53,319.20/x
  3. Step 3: Cross multiply
    95,439.20x = 143,036.40 × 53,319.20
  4. Step 4: Simplify right side
    95,439.20x = 7,626,586,418.88
  5. Step 5: Solve for x
    x = 7,626,586,418.88/95,439.20
  6. Step 6: Final answer
    x = 79,910.42

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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.