Home / 236,517.21-354,822.56-86,758.89

Finding the Fourth Proportional to 236,517.21, 354,822.56 and 86,758.89

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Solution

The fourth proportional to 236,517.21, 354,822.56 and 86,758.89 is: 130,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,517.21 : 354,822.56 = 86,758.89 : x
  2. Step 2: Convert to fraction form
    236,517.21/354,822.56 = 86,758.89/x
  3. Step 3: Cross multiply
    236,517.21x = 354,822.56 × 86,758.89
  4. Step 4: Simplify right side
    236,517.21x = 30,784,011,452.56
  5. Step 5: Solve for x
    x = 30,784,011,452.56/236,517.21
  6. Step 6: Final answer
    x = 130,155.48

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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.