Home / 159,032.38-219,460.35-87,412.42

Finding the Fourth Proportional to 159,032.38, 219,460.35 and 87,412.42

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Solution

The fourth proportional to 159,032.38, 219,460.35 and 87,412.42 is: 120,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,032.38 : 219,460.35 = 87,412.42 : x
  2. Step 2: Convert to fraction form
    159,032.38/219,460.35 = 87,412.42/x
  3. Step 3: Cross multiply
    159,032.38x = 219,460.35 × 87,412.42
  4. Step 4: Simplify right side
    159,032.38x = 19,183,560,287.55
  5. Step 5: Solve for x
    x = 19,183,560,287.55/159,032.38
  6. Step 6: Final answer
    x = 120,626.76

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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.