Home / 135,767.88-187,442.10-105,496.02

Finding the Fourth Proportional to 135,767.88, 187,442.10 and 105,496.02

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Solution

The fourth proportional to 135,767.88, 187,442.10 and 105,496.02 is: 145,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,767.88 : 187,442.10 = 105,496.02 : x
  2. Step 2: Convert to fraction form
    135,767.88/187,442.10 = 105,496.02/x
  3. Step 3: Cross multiply
    135,767.88x = 187,442.10 × 105,496.02
  4. Step 4: Simplify right side
    135,767.88x = 19,774,395,530.44
  5. Step 5: Solve for x
    x = 19,774,395,530.44/135,767.88
  6. Step 6: Final answer
    x = 145,648.55

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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.