Home / 252,929.88-379,387.80-103,169.52

Finding the Fourth Proportional to 252,929.88, 379,387.80 and 103,169.52

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Solution

The fourth proportional to 252,929.88, 379,387.80 and 103,169.52 is: 154,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,929.88 : 379,387.80 = 103,169.52 : x
  2. Step 2: Convert to fraction form
    252,929.88/379,387.80 = 103,169.52/x
  3. Step 3: Cross multiply
    252,929.88x = 379,387.80 × 103,169.52
  4. Step 4: Simplify right side
    252,929.88x = 39,141,257,219.86
  5. Step 5: Solve for x
    x = 39,141,257,219.86/252,929.88
  6. Step 6: Final answer
    x = 154,751.42

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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.