Home / 209,452.03-289,042.43-113,959.10

Finding the Fourth Proportional to 209,452.03, 289,042.43 and 113,959.10

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Solution

The fourth proportional to 209,452.03, 289,042.43 and 113,959.10 is: 157,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,452.03 : 289,042.43 = 113,959.10 : x
  2. Step 2: Convert to fraction form
    209,452.03/289,042.43 = 113,959.10/x
  3. Step 3: Cross multiply
    209,452.03x = 289,042.43 × 113,959.10
  4. Step 4: Simplify right side
    209,452.03x = 32,939,015,337.42
  5. Step 5: Solve for x
    x = 32,939,015,337.42/209,452.03
  6. Step 6: Final answer
    x = 157,262.81

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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.