Home / 202,284.11-279,094.52-121,671.29

Finding the Fourth Proportional to 202,284.11, 279,094.52 and 121,671.29

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Solution

The fourth proportional to 202,284.11, 279,094.52 and 121,671.29 is: 167,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,284.11 : 279,094.52 = 121,671.29 : x
  2. Step 2: Convert to fraction form
    202,284.11/279,094.52 = 121,671.29/x
  3. Step 3: Cross multiply
    202,284.11x = 279,094.52 × 121,671.29
  4. Step 4: Simplify right side
    202,284.11x = 33,957,790,280.33
  5. Step 5: Solve for x
    x = 33,957,790,280.33/202,284.11
  6. Step 6: Final answer
    x = 167,871.76

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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.