Home / 202,823.02-279,893.37-112,171.87

Finding the Fourth Proportional to 202,823.02, 279,893.37 and 112,171.87

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Solution

The fourth proportional to 202,823.02, 279,893.37 and 112,171.87 is: 154,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,823.02 : 279,893.37 = 112,171.87 : x
  2. Step 2: Convert to fraction form
    202,823.02/279,893.37 = 112,171.87/x
  3. Step 3: Cross multiply
    202,823.02x = 279,893.37 × 112,171.87
  4. Step 4: Simplify right side
    202,823.02x = 31,396,162,713.50
  5. Step 5: Solve for x
    x = 31,396,162,713.50/202,823.02
  6. Step 6: Final answer
    x = 154,795.85

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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.