Home / 98,330.14-135,694.32-55,885.87

Finding the Fourth Proportional to 98,330.14, 135,694.32 and 55,885.87

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Solution

The fourth proportional to 98,330.14, 135,694.32 and 55,885.87 is: 77,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,330.14 : 135,694.32 = 55,885.87 : x
  2. Step 2: Convert to fraction form
    98,330.14/135,694.32 = 55,885.87/x
  3. Step 3: Cross multiply
    98,330.14x = 135,694.32 × 55,885.87
  4. Step 4: Simplify right side
    98,330.14x = 7,583,394,448.79
  5. Step 5: Solve for x
    x = 7,583,394,448.79/98,330.14
  6. Step 6: Final answer
    x = 77,121.77

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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.