Home / 202,342.61-279,228.94-111,701.39

Finding the Fourth Proportional to 202,342.61, 279,228.94 and 111,701.39

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Solution

The fourth proportional to 202,342.61, 279,228.94 and 111,701.39 is: 154,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,342.61 : 279,228.94 = 111,701.39 : x
  2. Step 2: Convert to fraction form
    202,342.61/279,228.94 = 111,701.39/x
  3. Step 3: Cross multiply
    202,342.61x = 279,228.94 × 111,701.39
  4. Step 4: Simplify right side
    202,342.61x = 31,190,259,050.83
  5. Step 5: Solve for x
    x = 31,190,259,050.83/202,342.61
  6. Step 6: Final answer
    x = 154,145.78

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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.