Home / 245,905.20-368,974.80-88,149.60

Finding the Fourth Proportional to 245,905.20, 368,974.80 and 88,149.60

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Solution

The fourth proportional to 245,905.20, 368,974.80 and 88,149.60 is: 132,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,905.20 : 368,974.80 = 88,149.60 : x
  2. Step 2: Convert to fraction form
    245,905.20/368,974.80 = 88,149.60/x
  3. Step 3: Cross multiply
    245,905.20x = 368,974.80 × 88,149.60
  4. Step 4: Simplify right side
    245,905.20x = 32,524,981,030.08
  5. Step 5: Solve for x
    x = 32,524,981,030.08/245,905.20
  6. Step 6: Final answer
    x = 132,266.34

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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.