Home / 135,927.14-187,579.46-75,503.41

Finding the Fourth Proportional to 135,927.14, 187,579.46 and 75,503.41

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Solution

The fourth proportional to 135,927.14, 187,579.46 and 75,503.41 is: 104,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,927.14 : 187,579.46 = 75,503.41 : x
  2. Step 2: Convert to fraction form
    135,927.14/187,579.46 = 75,503.41/x
  3. Step 3: Cross multiply
    135,927.14x = 187,579.46 × 75,503.41
  4. Step 4: Simplify right side
    135,927.14x = 14,162,888,595.77
  5. Step 5: Solve for x
    x = 14,162,888,595.77/135,927.14
  6. Step 6: Final answer
    x = 104,194.71

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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.