Home / 209,849.42-314,835.66-67,691.84

Finding the Fourth Proportional to 209,849.42, 314,835.66 and 67,691.84

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Solution

The fourth proportional to 209,849.42, 314,835.66 and 67,691.84 is: 101,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,849.42 : 314,835.66 = 67,691.84 : x
  2. Step 2: Convert to fraction form
    209,849.42/314,835.66 = 67,691.84/x
  3. Step 3: Cross multiply
    209,849.42x = 314,835.66 × 67,691.84
  4. Step 4: Simplify right side
    209,849.42x = 21,311,805,123.01
  5. Step 5: Solve for x
    x = 21,311,805,123.01/209,849.42
  6. Step 6: Final answer
    x = 101,557.61

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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.