Home / 166,139.39-229,237.94-98,121.87

Finding the Fourth Proportional to 166,139.39, 229,237.94 and 98,121.87

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Solution

The fourth proportional to 166,139.39, 229,237.94 and 98,121.87 is: 135,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,139.39 : 229,237.94 = 98,121.87 : x
  2. Step 2: Convert to fraction form
    166,139.39/229,237.94 = 98,121.87/x
  3. Step 3: Cross multiply
    166,139.39x = 229,237.94 × 98,121.87
  4. Step 4: Simplify right side
    166,139.39x = 22,493,254,857.14
  5. Step 5: Solve for x
    x = 22,493,254,857.14/166,139.39
  6. Step 6: Final answer
    x = 135,387.85

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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.