Home / 202,756.76-279,793.04-112,107.28

Finding the Fourth Proportional to 202,756.76, 279,793.04 and 112,107.28

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Solution

The fourth proportional to 202,756.76, 279,793.04 and 112,107.28 is: 154,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,756.76 : 279,793.04 = 112,107.28 : x
  2. Step 2: Convert to fraction form
    202,756.76/279,793.04 = 112,107.28/x
  3. Step 3: Cross multiply
    202,756.76x = 279,793.04 × 112,107.28
  4. Step 4: Simplify right side
    202,756.76x = 31,366,836,677.33
  5. Step 5: Solve for x
    x = 31,366,836,677.33/202,756.76
  6. Step 6: Final answer
    x = 154,701.80

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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.