Home / 202,062.03-278,840.22-111,416.43

Finding the Fourth Proportional to 202,062.03, 278,840.22 and 111,416.43

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Solution

The fourth proportional to 202,062.03, 278,840.22 and 111,416.43 is: 153,751.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,062.03 : 278,840.22 = 111,416.43 : x
  2. Step 2: Convert to fraction form
    202,062.03/278,840.22 = 111,416.43/x
  3. Step 3: Cross multiply
    202,062.03x = 278,840.22 × 111,416.43
  4. Step 4: Simplify right side
    202,062.03x = 31,067,381,852.81
  5. Step 5: Solve for x
    x = 31,067,381,852.81/202,062.03
  6. Step 6: Final answer
    x = 153,751.71

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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.