Home / 243,528.20-336,172.38-148,065.38

Finding the Fourth Proportional to 243,528.20, 336,172.38 and 148,065.38

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Solution

The fourth proportional to 243,528.20, 336,172.38 and 148,065.38 is: 204,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,528.20 : 336,172.38 = 148,065.38 : x
  2. Step 2: Convert to fraction form
    243,528.20/336,172.38 = 148,065.38/x
  3. Step 3: Cross multiply
    243,528.20x = 336,172.38 × 148,065.38
  4. Step 4: Simplify right side
    243,528.20x = 49,775,491,190.20
  5. Step 5: Solve for x
    x = 49,775,491,190.20/243,528.20
  6. Step 6: Final answer
    x = 204,393.13

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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.