Home / 245,610.60-368,415.90-87,844.20

Finding the Fourth Proportional to 245,610.60, 368,415.90 and 87,844.20

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Solution

The fourth proportional to 245,610.60, 368,415.90 and 87,844.20 is: 131,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,610.60 : 368,415.90 = 87,844.20 : x
  2. Step 2: Convert to fraction form
    245,610.60/368,415.90 = 87,844.20/x
  3. Step 3: Cross multiply
    245,610.60x = 368,415.90 × 87,844.20
  4. Step 4: Simplify right side
    245,610.60x = 32,363,200,002.78
  5. Step 5: Solve for x
    x = 32,363,200,002.78/245,610.60
  6. Step 6: Final answer
    x = 131,766.30

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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.