Home / 199,720.38-275,487.57-151,868.82

Finding the Fourth Proportional to 199,720.38, 275,487.57 and 151,868.82

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Solution

The fourth proportional to 199,720.38, 275,487.57 and 151,868.82 is: 209,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,720.38 : 275,487.57 = 151,868.82 : x
  2. Step 2: Convert to fraction form
    199,720.38/275,487.57 = 151,868.82/x
  3. Step 3: Cross multiply
    199,720.38x = 275,487.57 × 151,868.82
  4. Step 4: Simplify right side
    199,720.38x = 41,837,972,180.57
  5. Step 5: Solve for x
    x = 41,837,972,180.57/199,720.38
  6. Step 6: Final answer
    x = 209,482.74

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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.