Home / 159,177.63-219,552.73-135,138.85

Finding the Fourth Proportional to 159,177.63, 219,552.73 and 135,138.85

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Solution

The fourth proportional to 159,177.63, 219,552.73 and 135,138.85 is: 186,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,177.63 : 219,552.73 = 135,138.85 : x
  2. Step 2: Convert to fraction form
    159,177.63/219,552.73 = 135,138.85/x
  3. Step 3: Cross multiply
    159,177.63x = 219,552.73 × 135,138.85
  4. Step 4: Simplify right side
    159,177.63x = 29,670,103,446.56
  5. Step 5: Solve for x
    x = 29,670,103,446.56/159,177.63
  6. Step 6: Final answer
    x = 186,396.19

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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.