Home / 176,143.20-264,387.60-87,496.80

Finding the Fourth Proportional to 176,143.20, 264,387.60 and 87,496.80

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Solution

The fourth proportional to 176,143.20, 264,387.60 and 87,496.80 is: 131,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,143.20 : 264,387.60 = 87,496.80 : x
  2. Step 2: Convert to fraction form
    176,143.20/264,387.60 = 87,496.80/x
  3. Step 3: Cross multiply
    176,143.20x = 264,387.60 × 87,496.80
  4. Step 4: Simplify right side
    176,143.20x = 23,133,068,959.68
  5. Step 5: Solve for x
    x = 23,133,068,959.68/176,143.20
  6. Step 6: Final answer
    x = 131,331.04

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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.