Home / 102,348.89-153,546.71-31,281.65

Finding the Fourth Proportional to 102,348.89, 153,546.71 and 31,281.65

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Solution

The fourth proportional to 102,348.89, 153,546.71 and 31,281.65 is: 46,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,348.89 : 153,546.71 = 31,281.65 : x
  2. Step 2: Convert to fraction form
    102,348.89/153,546.71 = 31,281.65/x
  3. Step 3: Cross multiply
    102,348.89x = 153,546.71 × 31,281.65
  4. Step 4: Simplify right side
    102,348.89x = 4,803,193,516.73
  5. Step 5: Solve for x
    x = 4,803,193,516.73/102,348.89
  6. Step 6: Final answer
    x = 46,929.61

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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.