Home / 135,888.43-187,519.75-75,462.93

Finding the Fourth Proportional to 135,888.43, 187,519.75 and 75,462.93

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Solution

The fourth proportional to 135,888.43, 187,519.75 and 75,462.93 is: 104,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,888.43 : 187,519.75 = 75,462.93 : x
  2. Step 2: Convert to fraction form
    135,888.43/187,519.75 = 75,462.93/x
  3. Step 3: Cross multiply
    135,888.43x = 187,519.75 × 75,462.93
  4. Step 4: Simplify right side
    135,888.43x = 14,150,789,767.87
  5. Step 5: Solve for x
    x = 14,150,789,767.87/135,888.43
  6. Step 6: Final answer
    x = 104,135.35

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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.