Home / 229,792.20-317,108.63-127,815.48

Finding the Fourth Proportional to 229,792.20, 317,108.63 and 127,815.48

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Solution

The fourth proportional to 229,792.20, 317,108.63 and 127,815.48 is: 176,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,792.20 : 317,108.63 = 127,815.48 : x
  2. Step 2: Convert to fraction form
    229,792.20/317,108.63 = 127,815.48/x
  3. Step 3: Cross multiply
    229,792.20x = 317,108.63 × 127,815.48
  4. Step 4: Simplify right side
    229,792.20x = 40,531,391,116.52
  5. Step 5: Solve for x
    x = 40,531,391,116.52/229,792.20
  6. Step 6: Final answer
    x = 176,382.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.