Home / 209,932.20-314,840.72-125,626.04

Finding the Fourth Proportional to 209,932.20, 314,840.72 and 125,626.04

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Solution

The fourth proportional to 209,932.20, 314,840.72 and 125,626.04 is: 188,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,932.20 : 314,840.72 = 125,626.04 : x
  2. Step 2: Convert to fraction form
    209,932.20/314,840.72 = 125,626.04/x
  3. Step 3: Cross multiply
    209,932.20x = 314,840.72 × 125,626.04
  4. Step 4: Simplify right side
    209,932.20x = 39,552,192,884.35
  5. Step 5: Solve for x
    x = 39,552,192,884.35/209,932.20
  6. Step 6: Final answer
    x = 188,404.60

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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.