Home / 135,595.36-187,109.14-75,163.10

Finding the Fourth Proportional to 135,595.36, 187,109.14 and 75,163.10

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Solution

The fourth proportional to 135,595.36, 187,109.14 and 75,163.10 is: 103,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,595.36 : 187,109.14 = 75,163.10 : x
  2. Step 2: Convert to fraction form
    135,595.36/187,109.14 = 75,163.10/x
  3. Step 3: Cross multiply
    135,595.36x = 187,109.14 × 75,163.10
  4. Step 4: Simplify right side
    135,595.36x = 14,063,703,000.73
  5. Step 5: Solve for x
    x = 14,063,703,000.73/135,595.36
  6. Step 6: Final answer
    x = 103,718.17

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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.