Home / 121,679.74-182,530.32-42,794.56

Finding the Fourth Proportional to 121,679.74, 182,530.32 and 42,794.56

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Solution

The fourth proportional to 121,679.74, 182,530.32 and 42,794.56 is: 64,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,679.74 : 182,530.32 = 42,794.56 : x
  2. Step 2: Convert to fraction form
    121,679.74/182,530.32 = 42,794.56/x
  3. Step 3: Cross multiply
    121,679.74x = 182,530.32 × 42,794.56
  4. Step 4: Simplify right side
    121,679.74x = 7,811,304,731.06
  5. Step 5: Solve for x
    x = 7,811,304,731.06/121,679.74
  6. Step 6: Final answer
    x = 64,195.61

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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.