Home / 123,426.60-170,329.23-66,838.02

Finding the Fourth Proportional to 123,426.60, 170,329.23 and 66,838.02

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Solution

The fourth proportional to 123,426.60, 170,329.23 and 66,838.02 is: 92,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,426.60 : 170,329.23 = 66,838.02 : x
  2. Step 2: Convert to fraction form
    123,426.60/170,329.23 = 66,838.02/x
  3. Step 3: Cross multiply
    123,426.60x = 170,329.23 × 66,838.02
  4. Step 4: Simplify right side
    123,426.60x = 11,384,468,481.32
  5. Step 5: Solve for x
    x = 11,384,468,481.32/123,426.60
  6. Step 6: Final answer
    x = 92,236.75

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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.