Home / 243,983.64-336,620.70-136,536.60

Finding the Fourth Proportional to 243,983.64, 336,620.70 and 136,536.60

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Solution

The fourth proportional to 243,983.64, 336,620.70 and 136,536.60 is: 188,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,983.64 : 336,620.70 = 136,536.60 : x
  2. Step 2: Convert to fraction form
    243,983.64/336,620.70 = 136,536.60/x
  3. Step 3: Cross multiply
    243,983.64x = 336,620.70 × 136,536.60
  4. Step 4: Simplify right side
    243,983.64x = 45,961,045,867.62
  5. Step 5: Solve for x
    x = 45,961,045,867.62/243,983.64
  6. Step 6: Final answer
    x = 188,377.57

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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.