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Finding the Fourth Proportional to 202,069.96, 278,843.65 and 111,426.51

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Solution

The fourth proportional to 202,069.96, 278,843.65 and 111,426.51 is: 153,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,069.96 : 278,843.65 = 111,426.51 : x
  2. Step 2: Convert to fraction form
    202,069.96/278,843.65 = 111,426.51/x
  3. Step 3: Cross multiply
    202,069.96x = 278,843.65 × 111,426.51
  4. Step 4: Simplify right side
    202,069.96x = 31,070,574,755.16
  5. Step 5: Solve for x
    x = 31,070,574,755.16/202,069.96
  6. Step 6: Final answer
    x = 153,761.47

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