Home / 214,832.31-322,445.39-115,105.11

Finding the Fourth Proportional to 214,832.31, 322,445.39 and 115,105.11

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Solution

The fourth proportional to 214,832.31, 322,445.39 and 115,105.11 is: 172,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,832.31 : 322,445.39 = 115,105.11 : x
  2. Step 2: Convert to fraction form
    214,832.31/322,445.39 = 115,105.11/x
  3. Step 3: Cross multiply
    214,832.31x = 322,445.39 × 115,105.11
  4. Step 4: Simplify right side
    214,832.31x = 37,115,111,509.42
  5. Step 5: Solve for x
    x = 37,115,111,509.42/214,832.31
  6. Step 6: Final answer
    x = 172,763.17

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1.5x scale

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.