Home / 209,236.68-288,748.48-113,743.52

Finding the Fourth Proportional to 209,236.68, 288,748.48 and 113,743.52

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Solution

The fourth proportional to 209,236.68, 288,748.48 and 113,743.52 is: 156,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,236.68 : 288,748.48 = 113,743.52 : x
  2. Step 2: Convert to fraction form
    209,236.68/288,748.48 = 113,743.52/x
  3. Step 3: Cross multiply
    209,236.68x = 288,748.48 × 113,743.52
  4. Step 4: Simplify right side
    209,236.68x = 32,843,268,509.85
  5. Step 5: Solve for x
    x = 32,843,268,509.85/209,236.68
  6. Step 6: Final answer
    x = 156,967.07

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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.