Home / 209,865.38-314,864.62-74,926.56

Finding the Fourth Proportional to 209,865.38, 314,864.62 and 74,926.56

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Solution

The fourth proportional to 209,865.38, 314,864.62 and 74,926.56 is: 112,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,865.38 : 314,864.62 = 74,926.56 : x
  2. Step 2: Convert to fraction form
    209,865.38/314,864.62 = 74,926.56/x
  3. Step 3: Cross multiply
    209,865.38x = 314,864.62 × 74,926.56
  4. Step 4: Simplify right side
    209,865.38x = 23,591,722,842.31
  5. Step 5: Solve for x
    x = 23,591,722,842.31/209,865.38
  6. Step 6: Final answer
    x = 112,413.60

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1.5x scale

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.