Home / 209,080.20-288,530.19-113,586.06

Finding the Fourth Proportional to 209,080.20, 288,530.19 and 113,586.06

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Solution

The fourth proportional to 209,080.20, 288,530.19 and 113,586.06 is: 156,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,080.20 : 288,530.19 = 113,586.06 : x
  2. Step 2: Convert to fraction form
    209,080.20/288,530.19 = 113,586.06/x
  3. Step 3: Cross multiply
    209,080.20x = 288,530.19 × 113,586.06
  4. Step 4: Simplify right side
    209,080.20x = 32,773,007,473.15
  5. Step 5: Solve for x
    x = 32,773,007,473.15/209,080.20
  6. Step 6: Final answer
    x = 156,748.50

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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.