Home / 243,942.14-336,640.13-136,532.90

Finding the Fourth Proportional to 243,942.14, 336,640.13 and 136,532.90

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Solution

The fourth proportional to 243,942.14, 336,640.13 and 136,532.90 is: 188,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,942.14 : 336,640.13 = 136,532.90 : x
  2. Step 2: Convert to fraction form
    243,942.14/336,640.13 = 136,532.90/x
  3. Step 3: Cross multiply
    243,942.14x = 336,640.13 × 136,532.90
  4. Step 4: Simplify right side
    243,942.14x = 45,962,453,876.21
  5. Step 5: Solve for x
    x = 45,962,453,876.21/243,942.14
  6. Step 6: Final answer
    x = 188,415.39

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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.