Home / 115,983.18-160,071.60-68,240.94

Finding the Fourth Proportional to 115,983.18, 160,071.60 and 68,240.94

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Solution

The fourth proportional to 115,983.18, 160,071.60 and 68,240.94 is: 94,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,983.18 : 160,071.60 = 68,240.94 : x
  2. Step 2: Convert to fraction form
    115,983.18/160,071.60 = 68,240.94/x
  3. Step 3: Cross multiply
    115,983.18x = 160,071.60 × 68,240.94
  4. Step 4: Simplify right side
    115,983.18x = 10,923,436,451.30
  5. Step 5: Solve for x
    x = 10,923,436,451.30/115,983.18
  6. Step 6: Final answer
    x = 94,181.21

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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.