Home / 98,719.44-148,013.28-54,367.20

Finding the Fourth Proportional to 98,719.44, 148,013.28 and 54,367.20

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Solution

The fourth proportional to 98,719.44, 148,013.28 and 54,367.20 is: 81,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,719.44 : 148,013.28 = 54,367.20 : x
  2. Step 2: Convert to fraction form
    98,719.44/148,013.28 = 54,367.20/x
  3. Step 3: Cross multiply
    98,719.44x = 148,013.28 × 54,367.20
  4. Step 4: Simplify right side
    98,719.44x = 8,047,067,596.42
  5. Step 5: Solve for x
    x = 8,047,067,596.42/98,719.44
  6. Step 6: Final answer
    x = 81,514.52

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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.