Home / 98,208.62-135,531.80-55,771.10

Finding the Fourth Proportional to 98,208.62, 135,531.80 and 55,771.10

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Solution

The fourth proportional to 98,208.62, 135,531.80 and 55,771.10 is: 76,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,208.62 : 135,531.80 = 55,771.10 : x
  2. Step 2: Convert to fraction form
    98,208.62/135,531.80 = 55,771.10/x
  3. Step 3: Cross multiply
    98,208.62x = 135,531.80 × 55,771.10
  4. Step 4: Simplify right side
    98,208.62x = 7,558,757,570.98
  5. Step 5: Solve for x
    x = 7,558,757,570.98/98,208.62
  6. Step 6: Final answer
    x = 76,966.34

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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.