Home / 159,225.30-219,725.46-87,604.74

Finding the Fourth Proportional to 159,225.30, 219,725.46 and 87,604.74

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Solution

The fourth proportional to 159,225.30, 219,725.46 and 87,604.74 is: 120,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,225.30 : 219,725.46 = 87,604.74 : x
  2. Step 2: Convert to fraction form
    159,225.30/219,725.46 = 87,604.74/x
  3. Step 3: Cross multiply
    159,225.30x = 219,725.46 × 87,604.74
  4. Step 4: Simplify right side
    159,225.30x = 19,248,991,794.68
  5. Step 5: Solve for x
    x = 19,248,991,794.68/159,225.30
  6. Step 6: Final answer
    x = 120,891.54

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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.