Home / 256,112.74-384,229.46-87,634.90

Finding the Fourth Proportional to 256,112.74, 384,229.46 and 87,634.90

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Solution

The fourth proportional to 256,112.74, 384,229.46 and 87,634.90 is: 131,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,112.74 : 384,229.46 = 87,634.90 : x
  2. Step 2: Convert to fraction form
    256,112.74/384,229.46 = 87,634.90/x
  3. Step 3: Cross multiply
    256,112.74x = 384,229.46 × 87,634.90
  4. Step 4: Simplify right side
    256,112.74x = 33,671,910,304.15
  5. Step 5: Solve for x
    x = 33,671,910,304.15/256,112.74
  6. Step 6: Final answer
    x = 131,473.00

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1.5x scale

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.