Home / 178,368.16-267,339-135,918.49

Finding the Fourth Proportional to 178,368.16, 267,339 and 135,918.49

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Solution

The fourth proportional to 178,368.16, 267,339 and 135,918.49 is: 203,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,368.16 : 267,339 = 135,918.49 : x
  2. Step 2: Convert to fraction form
    178,368.16/267,339 = 135,918.49/x
  3. Step 3: Cross multiply
    178,368.16x = 267,339 × 135,918.49
  4. Step 4: Simplify right side
    178,368.16x = 36,336,313,198.11
  5. Step 5: Solve for x
    x = 36,336,313,198.11/178,368.16
  6. Step 6: Final answer
    x = 203,715.24

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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.