Home / 202,742.73-279,780.62-112,102.52

Finding the Fourth Proportional to 202,742.73, 279,780.62 and 112,102.52

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Solution

The fourth proportional to 202,742.73, 279,780.62 and 112,102.52 is: 154,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,742.73 : 279,780.62 = 112,102.52 : x
  2. Step 2: Convert to fraction form
    202,742.73/279,780.62 = 112,102.52/x
  3. Step 3: Cross multiply
    202,742.73x = 279,780.62 × 112,102.52
  4. Step 4: Simplify right side
    202,742.73x = 31,364,110,589.75
  5. Step 5: Solve for x
    x = 31,364,110,589.75/202,742.73
  6. Step 6: Final answer
    x = 154,699.06

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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.