Home / 159,120.24-219,587.49-87,500.75

Finding the Fourth Proportional to 159,120.24, 219,587.49 and 87,500.75

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Solution

The fourth proportional to 159,120.24, 219,587.49 and 87,500.75 is: 120,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,120.24 : 219,587.49 = 87,500.75 : x
  2. Step 2: Convert to fraction form
    159,120.24/219,587.49 = 87,500.75/x
  3. Step 3: Cross multiply
    159,120.24x = 219,587.49 × 87,500.75
  4. Step 4: Simplify right side
    159,120.24x = 19,214,070,065.62
  5. Step 5: Solve for x
    x = 19,214,070,065.62/159,120.24
  6. Step 6: Final answer
    x = 120,751.89

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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.