Home / 230,736.20-346,104.30-81,145.40

Finding the Fourth Proportional to 230,736.20, 346,104.30 and 81,145.40

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Solution

The fourth proportional to 230,736.20, 346,104.30 and 81,145.40 is: 121,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,736.20 : 346,104.30 = 81,145.40 : x
  2. Step 2: Convert to fraction form
    230,736.20/346,104.30 = 81,145.40/x
  3. Step 3: Cross multiply
    230,736.20x = 346,104.30 × 81,145.40
  4. Step 4: Simplify right side
    230,736.20x = 28,084,771,865.22
  5. Step 5: Solve for x
    x = 28,084,771,865.22/230,736.20
  6. Step 6: Final answer
    x = 121,718.10

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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.