Home / 97,721.14-146,589.93-31,170.73

Finding the Fourth Proportional to 97,721.14, 146,589.93 and 31,170.73

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Solution

The fourth proportional to 97,721.14, 146,589.93 and 31,170.73 is: 46,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,721.14 : 146,589.93 = 31,170.73 : x
  2. Step 2: Convert to fraction form
    97,721.14/146,589.93 = 31,170.73/x
  3. Step 3: Cross multiply
    97,721.14x = 146,589.93 × 31,170.73
  4. Step 4: Simplify right side
    97,721.14x = 4,569,315,128.75
  5. Step 5: Solve for x
    x = 4,569,315,128.75/97,721.14
  6. Step 6: Final answer
    x = 46,758.72

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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.