Home / 254,951.12-382,470.24-105,109.49

Finding the Fourth Proportional to 254,951.12, 382,470.24 and 105,109.49

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Solution

The fourth proportional to 254,951.12, 382,470.24 and 105,109.49 is: 157,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,951.12 : 382,470.24 = 105,109.49 : x
  2. Step 2: Convert to fraction form
    254,951.12/382,470.24 = 105,109.49/x
  3. Step 3: Cross multiply
    254,951.12x = 382,470.24 × 105,109.49
  4. Step 4: Simplify right side
    254,951.12x = 40,201,251,866.58
  5. Step 5: Solve for x
    x = 40,201,251,866.58/254,951.12
  6. Step 6: Final answer
    x = 157,682.19

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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.