Home / 215,065.89-322,637.78-88,635.76

Finding the Fourth Proportional to 215,065.89, 322,637.78 and 88,635.76

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Solution

The fourth proportional to 215,065.89, 322,637.78 and 88,635.76 is: 132,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,065.89 : 322,637.78 = 88,635.76 : x
  2. Step 2: Convert to fraction form
    215,065.89/322,637.78 = 88,635.76/x
  3. Step 3: Cross multiply
    215,065.89x = 322,637.78 × 88,635.76
  4. Step 4: Simplify right side
    215,065.89x = 28,597,244,250.01
  5. Step 5: Solve for x
    x = 28,597,244,250.01/215,065.89
  6. Step 6: Final answer
    x = 132,969.69

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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.