Home / 250,531.78-345,733.44-137,361.82

Finding the Fourth Proportional to 250,531.78, 345,733.44 and 137,361.82

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Solution

The fourth proportional to 250,531.78, 345,733.44 and 137,361.82 is: 189,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,531.78 : 345,733.44 = 137,361.82 : x
  2. Step 2: Convert to fraction form
    250,531.78/345,733.44 = 137,361.82/x
  3. Step 3: Cross multiply
    250,531.78x = 345,733.44 × 137,361.82
  4. Step 4: Simplify right side
    250,531.78x = 47,490,574,553.26
  5. Step 5: Solve for x
    x = 47,490,574,553.26/250,531.78
  6. Step 6: Final answer
    x = 189,559.08

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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.