Home / 118,950.45-164,140.05-71,202.75

Finding the Fourth Proportional to 118,950.45, 164,140.05 and 71,202.75

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Solution

The fourth proportional to 118,950.45, 164,140.05 and 71,202.75 is: 98,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,950.45 : 164,140.05 = 71,202.75 : x
  2. Step 2: Convert to fraction form
    118,950.45/164,140.05 = 71,202.75/x
  3. Step 3: Cross multiply
    118,950.45x = 164,140.05 × 71,202.75
  4. Step 4: Simplify right side
    118,950.45x = 11,687,222,945.14
  5. Step 5: Solve for x
    x = 11,687,222,945.14/118,950.45
  6. Step 6: Final answer
    x = 98,252.87

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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.