Home / 204,035.60-306,053.40-121,091.60

Finding the Fourth Proportional to 204,035.60, 306,053.40 and 121,091.60

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Solution

The fourth proportional to 204,035.60, 306,053.40 and 121,091.60 is: 181,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,035.60 : 306,053.40 = 121,091.60 : x
  2. Step 2: Convert to fraction form
    204,035.60/306,053.40 = 121,091.60/x
  3. Step 3: Cross multiply
    204,035.60x = 306,053.40 × 121,091.60
  4. Step 4: Simplify right side
    204,035.60x = 37,060,495,891.44
  5. Step 5: Solve for x
    x = 37,060,495,891.44/204,035.60
  6. Step 6: Final answer
    x = 181,637.40

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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.