Home / 147,693.38-203,734.79-96,788.22

Finding the Fourth Proportional to 147,693.38, 203,734.79 and 96,788.22

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Solution

The fourth proportional to 147,693.38, 203,734.79 and 96,788.22 is: 133,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,693.38 : 203,734.79 = 96,788.22 : x
  2. Step 2: Convert to fraction form
    147,693.38/203,734.79 = 96,788.22/x
  3. Step 3: Cross multiply
    147,693.38x = 203,734.79 × 96,788.22
  4. Step 4: Simplify right side
    147,693.38x = 19,719,126,791.18
  5. Step 5: Solve for x
    x = 19,719,126,791.18/147,693.38
  6. Step 6: Final answer
    x = 133,513.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.