Home / 199,344.31-274,507.18-178,115.83

Finding the Fourth Proportional to 199,344.31, 274,507.18 and 178,115.83

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Solution

The fourth proportional to 199,344.31, 274,507.18 and 178,115.83 is: 245,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,344.31 : 274,507.18 = 178,115.83 : x
  2. Step 2: Convert to fraction form
    199,344.31/274,507.18 = 178,115.83/x
  3. Step 3: Cross multiply
    199,344.31x = 274,507.18 × 178,115.83
  4. Step 4: Simplify right side
    199,344.31x = 48,894,073,075.10
  5. Step 5: Solve for x
    x = 48,894,073,075.10/199,344.31
  6. Step 6: Final answer
    x = 245,274.49

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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.