Home / 135,962.15-187,619.09-75,531.69

Finding the Fourth Proportional to 135,962.15, 187,619.09 and 75,531.69

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Solution

The fourth proportional to 135,962.15, 187,619.09 and 75,531.69 is: 104,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,962.15 : 187,619.09 = 75,531.69 : x
  2. Step 2: Convert to fraction form
    135,962.15/187,619.09 = 75,531.69/x
  3. Step 3: Cross multiply
    135,962.15x = 187,619.09 × 75,531.69
  4. Step 4: Simplify right side
    135,962.15x = 14,171,186,566.30
  5. Step 5: Solve for x
    x = 14,171,186,566.30/135,962.15
  6. Step 6: Final answer
    x = 104,228.91

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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.