Home / 131,850.60-181,949.94-74,492.64

Finding the Fourth Proportional to 131,850.60, 181,949.94 and 74,492.64

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Solution

The fourth proportional to 131,850.60, 181,949.94 and 74,492.64 is: 102,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,850.60 : 181,949.94 = 74,492.64 : x
  2. Step 2: Convert to fraction form
    131,850.60/181,949.94 = 74,492.64/x
  3. Step 3: Cross multiply
    131,850.60x = 181,949.94 × 74,492.64
  4. Step 4: Simplify right side
    131,850.60x = 13,553,931,378.44
  5. Step 5: Solve for x
    x = 13,553,931,378.44/131,850.60
  6. Step 6: Final answer
    x = 102,797.65

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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.