Home / 98,844.10-148,266.15-80,181.70

Finding the Fourth Proportional to 98,844.10, 148,266.15 and 80,181.70

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Solution

The fourth proportional to 98,844.10, 148,266.15 and 80,181.70 is: 120,272.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,844.10 : 148,266.15 = 80,181.70 : x
  2. Step 2: Convert to fraction form
    98,844.10/148,266.15 = 80,181.70/x
  3. Step 3: Cross multiply
    98,844.10x = 148,266.15 × 80,181.70
  4. Step 4: Simplify right side
    98,844.10x = 11,888,231,959.46
  5. Step 5: Solve for x
    x = 11,888,231,959.46/98,844.10
  6. Step 6: Final answer
    x = 120,272.55

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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.