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Finding the Fourth Proportional to 95,377.20, 142,943.40 and 53,257.20

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Solution

The fourth proportional to 95,377.20, 142,943.40 and 53,257.20 is: 79,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,377.20 : 142,943.40 = 53,257.20 : x
  2. Step 2: Convert to fraction form
    95,377.20/142,943.40 = 53,257.20/x
  3. Step 3: Cross multiply
    95,377.20x = 142,943.40 × 53,257.20
  4. Step 4: Simplify right side
    95,377.20x = 7,612,765,242.48
  5. Step 5: Solve for x
    x = 7,612,765,242.48/95,377.20
  6. Step 6: Final answer
    x = 79,817.45

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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.