Home / 159,119.11-219,590.01-87,504.58

Finding the Fourth Proportional to 159,119.11, 219,590.01 and 87,504.58

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Solution

The fourth proportional to 159,119.11, 219,590.01 and 87,504.58 is: 120,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,119.11 : 219,590.01 = 87,504.58 : x
  2. Step 2: Convert to fraction form
    159,119.11/219,590.01 = 87,504.58/x
  3. Step 3: Cross multiply
    159,119.11x = 219,590.01 × 87,504.58
  4. Step 4: Simplify right side
    159,119.11x = 19,215,130,061.77
  5. Step 5: Solve for x
    x = 19,215,130,061.77/159,119.11
  6. Step 6: Final answer
    x = 120,759.42

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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.