Home / 245,861.20-368,908.80-88,105.60

Finding the Fourth Proportional to 245,861.20, 368,908.80 and 88,105.60

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Solution

The fourth proportional to 245,861.20, 368,908.80 and 88,105.60 is: 132,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,861.20 : 368,908.80 = 88,105.60 : x
  2. Step 2: Convert to fraction form
    245,861.20/368,908.80 = 88,105.60/x
  3. Step 3: Cross multiply
    245,861.20x = 368,908.80 × 88,105.60
  4. Step 4: Simplify right side
    245,861.20x = 32,502,931,169.28
  5. Step 5: Solve for x
    x = 32,502,931,169.28/245,861.20
  6. Step 6: Final answer
    x = 132,200.33

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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.