Home / 135,790.41-187,382.04-84,800.08

Finding the Fourth Proportional to 135,790.41, 187,382.04 and 84,800.08

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Solution

The fourth proportional to 135,790.41, 187,382.04 and 84,800.08 is: 117,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,790.41 : 187,382.04 = 84,800.08 : x
  2. Step 2: Convert to fraction form
    135,790.41/187,382.04 = 84,800.08/x
  3. Step 3: Cross multiply
    135,790.41x = 187,382.04 × 84,800.08
  4. Step 4: Simplify right side
    135,790.41x = 15,890,011,982.56
  5. Step 5: Solve for x
    x = 15,890,011,982.56/135,790.41
  6. Step 6: Final answer
    x = 117,018.66

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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.