Home / 148,129.97-222,194.96-81,535.82

Finding the Fourth Proportional to 148,129.97, 222,194.96 and 81,535.82

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Solution

The fourth proportional to 148,129.97, 222,194.96 and 81,535.82 is: 122,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,129.97 : 222,194.96 = 81,535.82 : x
  2. Step 2: Convert to fraction form
    148,129.97/222,194.96 = 81,535.82/x
  3. Step 3: Cross multiply
    148,129.97x = 222,194.96 × 81,535.82
  4. Step 4: Simplify right side
    148,129.97x = 18,116,848,263.47
  5. Step 5: Solve for x
    x = 18,116,848,263.47/148,129.97
  6. Step 6: Final answer
    x = 122,303.73

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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.