Home / 157,076.70-235,615.05-82,167.90

Finding the Fourth Proportional to 157,076.70, 235,615.05 and 82,167.90

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Solution

The fourth proportional to 157,076.70, 235,615.05 and 82,167.90 is: 123,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,076.70 : 235,615.05 = 82,167.90 : x
  2. Step 2: Convert to fraction form
    157,076.70/235,615.05 = 82,167.90/x
  3. Step 3: Cross multiply
    157,076.70x = 235,615.05 × 82,167.90
  4. Step 4: Simplify right side
    157,076.70x = 19,359,993,866.90
  5. Step 5: Solve for x
    x = 19,359,993,866.90/157,076.70
  6. Step 6: Final answer
    x = 123,251.85

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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.