Home / 77,196.06-115,803.43-27,265.95

Finding the Fourth Proportional to 77,196.06, 115,803.43 and 27,265.95

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Solution

The fourth proportional to 77,196.06, 115,803.43 and 27,265.95 is: 40,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,196.06 : 115,803.43 = 27,265.95 : x
  2. Step 2: Convert to fraction form
    77,196.06/115,803.43 = 27,265.95/x
  3. Step 3: Cross multiply
    77,196.06x = 115,803.43 × 27,265.95
  4. Step 4: Simplify right side
    77,196.06x = 3,157,490,464.04
  5. Step 5: Solve for x
    x = 3,157,490,464.04/77,196.06
  6. Step 6: Final answer
    x = 40,902.22

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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.