Home / 199,538.02-275,464.05-154,114.03

Finding the Fourth Proportional to 199,538.02, 275,464.05 and 154,114.03

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Solution

The fourth proportional to 199,538.02, 275,464.05 and 154,114.03 is: 212,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,538.02 : 275,464.05 = 154,114.03 : x
  2. Step 2: Convert to fraction form
    199,538.02/275,464.05 = 154,114.03/x
  3. Step 3: Cross multiply
    199,538.02x = 275,464.05 × 154,114.03
  4. Step 4: Simplify right side
    199,538.02x = 42,452,874,865.62
  5. Step 5: Solve for x
    x = 42,452,874,865.62/199,538.02
  6. Step 6: Final answer
    x = 212,755.82

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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.