Home / 95,147.88-142,721.82-39,705

Finding the Fourth Proportional to 95,147.88, 142,721.82 and 39,705

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Solution

The fourth proportional to 95,147.88, 142,721.82 and 39,705 is: 59,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,147.88 : 142,721.82 = 39,705 : x
  2. Step 2: Convert to fraction form
    95,147.88/142,721.82 = 39,705/x
  3. Step 3: Cross multiply
    95,147.88x = 142,721.82 × 39,705
  4. Step 4: Simplify right side
    95,147.88x = 5,666,769,863.10
  5. Step 5: Solve for x
    x = 5,666,769,863.10/95,147.88
  6. Step 6: Final answer
    x = 59,557.50

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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.