Home / 149,613.53-206,465.62-85,082.73

Finding the Fourth Proportional to 149,613.53, 206,465.62 and 85,082.73

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Solution

The fourth proportional to 149,613.53, 206,465.62 and 85,082.73 is: 117,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,613.53 : 206,465.62 = 85,082.73 : x
  2. Step 2: Convert to fraction form
    149,613.53/206,465.62 = 85,082.73/x
  3. Step 3: Cross multiply
    149,613.53x = 206,465.62 × 85,082.73
  4. Step 4: Simplify right side
    149,613.53x = 17,566,658,114.71
  5. Step 5: Solve for x
    x = 17,566,658,114.71/149,613.53
  6. Step 6: Final answer
    x = 117,413.57

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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.