Home / 97,960.30-146,954.28-31,384.85

Finding the Fourth Proportional to 97,960.30, 146,954.28 and 31,384.85

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Solution

The fourth proportional to 97,960.30, 146,954.28 and 31,384.85 is: 47,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,960.30 : 146,954.28 = 31,384.85 : x
  2. Step 2: Convert to fraction form
    97,960.30/146,954.28 = 31,384.85/x
  3. Step 3: Cross multiply
    97,960.30x = 146,954.28 × 31,384.85
  4. Step 4: Simplify right side
    97,960.30x = 4,612,138,034.66
  5. Step 5: Solve for x
    x = 4,612,138,034.66/97,960.30
  6. Step 6: Final answer
    x = 47,081.71

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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.