Home / 135,968.93-187,576.75-90,602.65

Finding the Fourth Proportional to 135,968.93, 187,576.75 and 90,602.65

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Solution

The fourth proportional to 135,968.93, 187,576.75 and 90,602.65 is: 124,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,968.93 : 187,576.75 = 90,602.65 : x
  2. Step 2: Convert to fraction form
    135,968.93/187,576.75 = 90,602.65/x
  3. Step 3: Cross multiply
    135,968.93x = 187,576.75 × 90,602.65
  4. Step 4: Simplify right side
    135,968.93x = 16,994,949,237.49
  5. Step 5: Solve for x
    x = 16,994,949,237.49/135,968.93
  6. Step 6: Final answer
    x = 124,991.42

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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.