Home / 209,046.86-288,490.91-113,560.01

Finding the Fourth Proportional to 209,046.86, 288,490.91 and 113,560.01

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Solution

The fourth proportional to 209,046.86, 288,490.91 and 113,560.01 is: 156,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,046.86 : 288,490.91 = 113,560.01 : x
  2. Step 2: Convert to fraction form
    209,046.86/288,490.91 = 113,560.01/x
  3. Step 3: Cross multiply
    209,046.86x = 288,490.91 × 113,560.01
  4. Step 4: Simplify right side
    209,046.86x = 32,761,028,614.25
  5. Step 5: Solve for x
    x = 32,761,028,614.25/209,046.86
  6. Step 6: Final answer
    x = 156,716.20

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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.