Home / 134,228.78-185,202.78-99,316.96

Finding the Fourth Proportional to 134,228.78, 185,202.78 and 99,316.96

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Solution

The fourth proportional to 134,228.78, 185,202.78 and 99,316.96 is: 137,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,228.78 : 185,202.78 = 99,316.96 : x
  2. Step 2: Convert to fraction form
    134,228.78/185,202.78 = 99,316.96/x
  3. Step 3: Cross multiply
    134,228.78x = 185,202.78 × 99,316.96
  4. Step 4: Simplify right side
    134,228.78x = 18,393,777,093.15
  5. Step 5: Solve for x
    x = 18,393,777,093.15/134,228.78
  6. Step 6: Final answer
    x = 137,033.03

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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.