Home / 147,874.32-204,067.08-80,807.76

Finding the Fourth Proportional to 147,874.32, 204,067.08 and 80,807.76

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Solution

The fourth proportional to 147,874.32, 204,067.08 and 80,807.76 is: 111,514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,874.32 : 204,067.08 = 80,807.76 : x
  2. Step 2: Convert to fraction form
    147,874.32/204,067.08 = 80,807.76/x
  3. Step 3: Cross multiply
    147,874.32x = 204,067.08 × 80,807.76
  4. Step 4: Simplify right side
    147,874.32x = 16,490,203,624.54
  5. Step 5: Solve for x
    x = 16,490,203,624.54/147,874.32
  6. Step 6: Final answer
    x = 111,514.99

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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.