Home / 159,226.05-219,732.32-87,610.68

Finding the Fourth Proportional to 159,226.05, 219,732.32 and 87,610.68

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Solution

The fourth proportional to 159,226.05, 219,732.32 and 87,610.68 is: 120,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,226.05 : 219,732.32 = 87,610.68 : x
  2. Step 2: Convert to fraction form
    159,226.05/219,732.32 = 87,610.68/x
  3. Step 3: Cross multiply
    159,226.05x = 219,732.32 × 87,610.68
  4. Step 4: Simplify right side
    159,226.05x = 19,250,897,973.18
  5. Step 5: Solve for x
    x = 19,250,897,973.18/159,226.05
  6. Step 6: Final answer
    x = 120,902.94

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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.