Home / 223,023.75-307,773.12-121,049.25

Finding the Fourth Proportional to 223,023.75, 307,773.12 and 121,049.25

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Solution

The fourth proportional to 223,023.75, 307,773.12 and 121,049.25 is: 167,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,023.75 : 307,773.12 = 121,049.25 : x
  2. Step 2: Convert to fraction form
    223,023.75/307,773.12 = 121,049.25/x
  3. Step 3: Cross multiply
    223,023.75x = 307,773.12 × 121,049.25
  4. Step 4: Simplify right side
    223,023.75x = 37,255,704,740.91
  5. Step 5: Solve for x
    x = 37,255,704,740.91/223,023.75
  6. Step 6: Final answer
    x = 167,048.15

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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.