Home / 161,734.80-242,568.78-43,378

Finding the Fourth Proportional to 161,734.80, 242,568.78 and 43,378

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Solution

The fourth proportional to 161,734.80, 242,568.78 and 43,378 is: 65,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,734.80 : 242,568.78 = 43,378 : x
  2. Step 2: Convert to fraction form
    161,734.80/242,568.78 = 43,378/x
  3. Step 3: Cross multiply
    161,734.80x = 242,568.78 × 43,378
  4. Step 4: Simplify right side
    161,734.80x = 10,522,148,538.84
  5. Step 5: Solve for x
    x = 10,522,148,538.84/161,734.80
  6. Step 6: Final answer
    x = 65,058.04

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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.