Home / 243,845.74-336,493.56-136,395.04

Finding the Fourth Proportional to 243,845.74, 336,493.56 and 136,395.04

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Solution

The fourth proportional to 243,845.74, 336,493.56 and 136,395.04 is: 188,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,845.74 : 336,493.56 = 136,395.04 : x
  2. Step 2: Convert to fraction form
    243,845.74/336,493.56 = 136,395.04/x
  3. Step 3: Cross multiply
    243,845.74x = 336,493.56 × 136,395.04
  4. Step 4: Simplify right side
    243,845.74x = 45,896,052,575.94
  5. Step 5: Solve for x
    x = 45,896,052,575.94/243,845.74
  6. Step 6: Final answer
    x = 188,217.57

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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.