Home / 134,981.54-202,505.76-40,211.30

Finding the Fourth Proportional to 134,981.54, 202,505.76 and 40,211.30

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Solution

The fourth proportional to 134,981.54, 202,505.76 and 40,211.30 is: 60,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,981.54 : 202,505.76 = 40,211.30 : x
  2. Step 2: Convert to fraction form
    134,981.54/202,505.76 = 40,211.30/x
  3. Step 3: Cross multiply
    134,981.54x = 202,505.76 × 40,211.30
  4. Step 4: Simplify right side
    134,981.54x = 8,143,019,867.09
  5. Step 5: Solve for x
    x = 8,143,019,867.09/134,981.54
  6. Step 6: Final answer
    x = 60,326.91

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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.