Home / 159,224.55-219,730.25-87,609.18

Finding the Fourth Proportional to 159,224.55, 219,730.25 and 87,609.18

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Solution

The fourth proportional to 159,224.55, 219,730.25 and 87,609.18 is: 120,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,224.55 : 219,730.25 = 87,609.18 : x
  2. Step 2: Convert to fraction form
    159,224.55/219,730.25 = 87,609.18/x
  3. Step 3: Cross multiply
    159,224.55x = 219,730.25 × 87,609.18
  4. Step 4: Simplify right side
    159,224.55x = 19,250,387,023.70
  5. Step 5: Solve for x
    x = 19,250,387,023.70/159,224.55
  6. Step 6: Final answer
    x = 120,900.87

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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.