Home / 166,965.20-230,410.64-91,513.52

Finding the Fourth Proportional to 166,965.20, 230,410.64 and 91,513.52

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Solution

The fourth proportional to 166,965.20, 230,410.64 and 91,513.52 is: 126,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,965.20 : 230,410.64 = 91,513.52 : x
  2. Step 2: Convert to fraction form
    166,965.20/230,410.64 = 91,513.52/x
  3. Step 3: Cross multiply
    166,965.20x = 230,410.64 × 91,513.52
  4. Step 4: Simplify right side
    166,965.20x = 21,085,688,711.85
  5. Step 5: Solve for x
    x = 21,085,688,711.85/166,965.20
  6. Step 6: Final answer
    x = 126,287.93

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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.