Home / 155,928.98-215,132.87-95,436.56

Finding the Fourth Proportional to 155,928.98, 215,132.87 and 95,436.56

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Solution

The fourth proportional to 155,928.98, 215,132.87 and 95,436.56 is: 131,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,928.98 : 215,132.87 = 95,436.56 : x
  2. Step 2: Convert to fraction form
    155,928.98/215,132.87 = 95,436.56/x
  3. Step 3: Cross multiply
    155,928.98x = 215,132.87 × 95,436.56
  4. Step 4: Simplify right side
    155,928.98x = 20,531,540,353.61
  5. Step 5: Solve for x
    x = 20,531,540,353.61/155,928.98
  6. Step 6: Final answer
    x = 131,672.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.