Home / 133,219.31-199,842.40-43,258.25

Finding the Fourth Proportional to 133,219.31, 199,842.40 and 43,258.25

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Solution

The fourth proportional to 133,219.31, 199,842.40 and 43,258.25 is: 64,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,219.31 : 199,842.40 = 43,258.25 : x
  2. Step 2: Convert to fraction form
    133,219.31/199,842.40 = 43,258.25/x
  3. Step 3: Cross multiply
    133,219.31x = 199,842.40 × 43,258.25
  4. Step 4: Simplify right side
    133,219.31x = 8,644,832,810.15
  5. Step 5: Solve for x
    x = 8,644,832,810.15/133,219.31
  6. Step 6: Final answer
    x = 64,891.74

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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.