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Finding the Fourth Proportional to 144,755.52, 218,119.38 and 119,036.40

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Solution

The fourth proportional to 144,755.52, 218,119.38 and 119,036.40 is: 179,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,755.52 : 218,119.38 = 119,036.40 : x
  2. Step 2: Convert to fraction form
    144,755.52/218,119.38 = 119,036.40/x
  3. Step 3: Cross multiply
    144,755.52x = 218,119.38 × 119,036.40
  4. Step 4: Simplify right side
    144,755.52x = 25,964,145,765.43
  5. Step 5: Solve for x
    x = 25,964,145,765.43/144,755.52
  6. Step 6: Final answer
    x = 179,365.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.