Home / 158,917.63-219,306.33-87,298.85

Finding the Fourth Proportional to 158,917.63, 219,306.33 and 87,298.85

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Solution

The fourth proportional to 158,917.63, 219,306.33 and 87,298.85 is: 120,472.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,917.63 : 219,306.33 = 87,298.85 : x
  2. Step 2: Convert to fraction form
    158,917.63/219,306.33 = 87,298.85/x
  3. Step 3: Cross multiply
    158,917.63x = 219,306.33 × 87,298.85
  4. Step 4: Simplify right side
    158,917.63x = 19,145,188,873.69
  5. Step 5: Solve for x
    x = 19,145,188,873.69/158,917.63
  6. Step 6: Final answer
    x = 120,472.41

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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.