Home / 98,345.20-135,714.12-60,104.60

Finding the Fourth Proportional to 98,345.20, 135,714.12 and 60,104.60

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Solution

The fourth proportional to 98,345.20, 135,714.12 and 60,104.60 is: 82,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,345.20 : 135,714.12 = 60,104.60 : x
  2. Step 2: Convert to fraction form
    98,345.20/135,714.12 = 60,104.60/x
  3. Step 3: Cross multiply
    98,345.20x = 135,714.12 × 60,104.60
  4. Step 4: Simplify right side
    98,345.20x = 8,157,042,896.95
  5. Step 5: Solve for x
    x = 8,157,042,896.95/98,345.20
  6. Step 6: Final answer
    x = 82,942.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.