Home / 268,256.28-402,573.48-126,108

Finding the Fourth Proportional to 268,256.28, 402,573.48 and 126,108

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Solution

The fourth proportional to 268,256.28, 402,573.48 and 126,108 is: 189,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,256.28 : 402,573.48 = 126,108 : x
  2. Step 2: Convert to fraction form
    268,256.28/402,573.48 = 126,108/x
  3. Step 3: Cross multiply
    268,256.28x = 402,573.48 × 126,108
  4. Step 4: Simplify right side
    268,256.28x = 50,767,736,415.84
  5. Step 5: Solve for x
    x = 50,767,736,415.84/268,256.28
  6. Step 6: Final answer
    x = 189,250.88

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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.