Home / 236,697.08-355,052.91-103,508.78

Finding the Fourth Proportional to 236,697.08, 355,052.91 and 103,508.78

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Solution

The fourth proportional to 236,697.08, 355,052.91 and 103,508.78 is: 155,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,697.08 : 355,052.91 = 103,508.78 : x
  2. Step 2: Convert to fraction form
    236,697.08/355,052.91 = 103,508.78/x
  3. Step 3: Cross multiply
    236,697.08x = 355,052.91 × 103,508.78
  4. Step 4: Simplify right side
    236,697.08x = 36,751,093,549.55
  5. Step 5: Solve for x
    x = 36,751,093,549.55/236,697.08
  6. Step 6: Final answer
    x = 155,266.36

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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.