Home / 158,764.70-219,097.78-87,151.26

Finding the Fourth Proportional to 158,764.70, 219,097.78 and 87,151.26

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Solution

The fourth proportional to 158,764.70, 219,097.78 and 87,151.26 is: 120,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,764.70 : 219,097.78 = 87,151.26 : x
  2. Step 2: Convert to fraction form
    158,764.70/219,097.78 = 87,151.26/x
  3. Step 3: Cross multiply
    158,764.70x = 219,097.78 × 87,151.26
  4. Step 4: Simplify right side
    158,764.70x = 19,094,647,590.20
  5. Step 5: Solve for x
    x = 19,094,647,590.20/158,764.70
  6. Step 6: Final answer
    x = 120,270.11

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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.