Home / 245,292.28-368,042.10-105,116.92

Finding the Fourth Proportional to 245,292.28, 368,042.10 and 105,116.92

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Solution

The fourth proportional to 245,292.28, 368,042.10 and 105,116.92 is: 157,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,292.28 : 368,042.10 = 105,116.92 : x
  2. Step 2: Convert to fraction form
    245,292.28/368,042.10 = 105,116.92/x
  3. Step 3: Cross multiply
    245,292.28x = 368,042.10 × 105,116.92
  4. Step 4: Simplify right side
    245,292.28x = 38,687,451,982.33
  5. Step 5: Solve for x
    x = 38,687,451,982.33/245,292.28
  6. Step 6: Final answer
    x = 157,719.81

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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.