Home / 147,135.26-203,019.54-89,761.34

Finding the Fourth Proportional to 147,135.26, 203,019.54 and 89,761.34

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Solution

The fourth proportional to 147,135.26, 203,019.54 and 89,761.34 is: 123,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,135.26 : 203,019.54 = 89,761.34 : x
  2. Step 2: Convert to fraction form
    147,135.26/203,019.54 = 89,761.34/x
  3. Step 3: Cross multiply
    147,135.26x = 203,019.54 × 89,761.34
  4. Step 4: Simplify right side
    147,135.26x = 18,223,305,956.58
  5. Step 5: Solve for x
    x = 18,223,305,956.58/147,135.26
  6. Step 6: Final answer
    x = 123,854.11

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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.