Home / 268,254.77-402,571.22-126,106.52

Finding the Fourth Proportional to 268,254.77, 402,571.22 and 126,106.52

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Solution

The fourth proportional to 268,254.77, 402,571.22 and 126,106.52 is: 189,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,254.77 : 402,571.22 = 126,106.52 : x
  2. Step 2: Convert to fraction form
    268,254.77/402,571.22 = 126,106.52/x
  3. Step 3: Cross multiply
    268,254.77x = 402,571.22 × 126,106.52
  4. Step 4: Simplify right side
    268,254.77x = 50,766,852,962.97
  5. Step 5: Solve for x
    x = 50,766,852,962.97/268,254.77
  6. Step 6: Final answer
    x = 189,248.65

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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.