Home / 159,228.20-219,730.26-87,608.20

Finding the Fourth Proportional to 159,228.20, 219,730.26 and 87,608.20

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Solution

The fourth proportional to 159,228.20, 219,730.26 and 87,608.20 is: 120,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,228.20 : 219,730.26 = 87,608.20 : x
  2. Step 2: Convert to fraction form
    159,228.20/219,730.26 = 87,608.20/x
  3. Step 3: Cross multiply
    159,228.20x = 219,730.26 × 87,608.20
  4. Step 4: Simplify right side
    159,228.20x = 19,250,172,564.13
  5. Step 5: Solve for x
    x = 19,250,172,564.13/159,228.20
  6. Step 6: Final answer
    x = 120,896.75

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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.