Home / 118,951.45-164,141.43-71,203.75

Finding the Fourth Proportional to 118,951.45, 164,141.43 and 71,203.75

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Solution

The fourth proportional to 118,951.45, 164,141.43 and 71,203.75 is: 98,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,951.45 : 164,141.43 = 71,203.75 : x
  2. Step 2: Convert to fraction form
    118,951.45/164,141.43 = 71,203.75/x
  3. Step 3: Cross multiply
    118,951.45x = 164,141.43 × 71,203.75
  4. Step 4: Simplify right side
    118,951.45x = 11,687,485,346.36
  5. Step 5: Solve for x
    x = 11,687,485,346.36/118,951.45
  6. Step 6: Final answer
    x = 98,254.25

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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.