Home / 123,326.20-185,426.70-104,080.60

Finding the Fourth Proportional to 123,326.20, 185,426.70 and 104,080.60

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Solution

The fourth proportional to 123,326.20, 185,426.70 and 104,080.60 is: 156,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,326.20 : 185,426.70 = 104,080.60 : x
  2. Step 2: Convert to fraction form
    123,326.20/185,426.70 = 104,080.60/x
  3. Step 3: Cross multiply
    123,326.20x = 185,426.70 × 104,080.60
  4. Step 4: Simplify right side
    123,326.20x = 19,299,322,192.02
  5. Step 5: Solve for x
    x = 19,299,322,192.02/123,326.20
  6. Step 6: Final answer
    x = 156,490.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.