Home / 236,514.60-354,794.58-78,754.14

Finding the Fourth Proportional to 236,514.60, 354,794.58 and 78,754.14

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Solution

The fourth proportional to 236,514.60, 354,794.58 and 78,754.14 is: 118,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,514.60 : 354,794.58 = 78,754.14 : x
  2. Step 2: Convert to fraction form
    236,514.60/354,794.58 = 78,754.14/x
  3. Step 3: Cross multiply
    236,514.60x = 354,794.58 × 78,754.14
  4. Step 4: Simplify right side
    236,514.60x = 27,941,542,024.56
  5. Step 5: Solve for x
    x = 27,941,542,024.56/236,514.60
  6. Step 6: Final answer
    x = 118,138.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.