Home / 179,929.60-269,894.40-172,250.80

Finding the Fourth Proportional to 179,929.60, 269,894.40 and 172,250.80

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Solution

The fourth proportional to 179,929.60, 269,894.40 and 172,250.80 is: 258,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,929.60 : 269,894.40 = 172,250.80 : x
  2. Step 2: Convert to fraction form
    179,929.60/269,894.40 = 172,250.80/x
  3. Step 3: Cross multiply
    179,929.60x = 269,894.40 × 172,250.80
  4. Step 4: Simplify right side
    179,929.60x = 46,489,526,315.52
  5. Step 5: Solve for x
    x = 46,489,526,315.52/179,929.60
  6. Step 6: Final answer
    x = 258,376.20

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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.