Home / 140,882.54-194,437.85-87,184.89

Finding the Fourth Proportional to 140,882.54, 194,437.85 and 87,184.89

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Solution

The fourth proportional to 140,882.54, 194,437.85 and 87,184.89 is: 120,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,882.54 : 194,437.85 = 87,184.89 : x
  2. Step 2: Convert to fraction form
    140,882.54/194,437.85 = 87,184.89/x
  3. Step 3: Cross multiply
    140,882.54x = 194,437.85 × 87,184.89
  4. Step 4: Simplify right side
    140,882.54x = 16,952,042,128.16
  5. Step 5: Solve for x
    x = 16,952,042,128.16/140,882.54
  6. Step 6: Final answer
    x = 120,327.49

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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.