Home / 159,134.40-219,601.07-87,514.42

Finding the Fourth Proportional to 159,134.40, 219,601.07 and 87,514.42

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Solution

The fourth proportional to 159,134.40, 219,601.07 and 87,514.42 is: 120,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,134.40 : 219,601.07 = 87,514.42 : x
  2. Step 2: Convert to fraction form
    159,134.40/219,601.07 = 87,514.42/x
  3. Step 3: Cross multiply
    159,134.40x = 219,601.07 × 87,514.42
  4. Step 4: Simplify right side
    159,134.40x = 19,218,260,272.43
  5. Step 5: Solve for x
    x = 19,218,260,272.43/159,134.40
  6. Step 6: Final answer
    x = 120,767.48

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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.