Home / 153,121.76-229,682.66-47,948.94

Finding the Fourth Proportional to 153,121.76, 229,682.66 and 47,948.94

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Solution

The fourth proportional to 153,121.76, 229,682.66 and 47,948.94 is: 71,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,121.76 : 229,682.66 = 47,948.94 : x
  2. Step 2: Convert to fraction form
    153,121.76/229,682.66 = 47,948.94/x
  3. Step 3: Cross multiply
    153,121.76x = 229,682.66 × 47,948.94
  4. Step 4: Simplify right side
    153,121.76x = 11,013,040,083.38
  5. Step 5: Solve for x
    x = 11,013,040,083.38/153,121.76
  6. Step 6: Final answer
    x = 71,923.42

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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.