Home / 137,449.64-206,109.30-53,249.24

Finding the Fourth Proportional to 137,449.64, 206,109.30 and 53,249.24

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Solution

The fourth proportional to 137,449.64, 206,109.30 and 53,249.24 is: 79,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,449.64 : 206,109.30 = 53,249.24 : x
  2. Step 2: Convert to fraction form
    137,449.64/206,109.30 = 53,249.24/x
  3. Step 3: Cross multiply
    137,449.64x = 206,109.30 × 53,249.24
  4. Step 4: Simplify right side
    137,449.64x = 10,975,163,581.93
  5. Step 5: Solve for x
    x = 10,975,163,581.93/137,449.64
  6. Step 6: Final answer
    x = 79,848.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.