Home / 209,207.44-288,708.20-113,714.36

Finding the Fourth Proportional to 209,207.44, 288,708.20 and 113,714.36

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Solution

The fourth proportional to 209,207.44, 288,708.20 and 113,714.36 is: 156,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,207.44 : 288,708.20 = 113,714.36 : x
  2. Step 2: Convert to fraction form
    209,207.44/288,708.20 = 113,714.36/x
  3. Step 3: Cross multiply
    209,207.44x = 288,708.20 × 113,714.36
  4. Step 4: Simplify right side
    209,207.44x = 32,830,268,189.75
  5. Step 5: Solve for x
    x = 32,830,268,189.75/209,207.44
  6. Step 6: Final answer
    x = 156,926.87

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1.5x scale

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.