Home / 202,669.26-279,683.48-112,025.29

Finding the Fourth Proportional to 202,669.26, 279,683.48 and 112,025.29

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Solution

The fourth proportional to 202,669.26, 279,683.48 and 112,025.29 is: 154,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,669.26 : 279,683.48 = 112,025.29 : x
  2. Step 2: Convert to fraction form
    202,669.26/279,683.48 = 112,025.29/x
  3. Step 3: Cross multiply
    202,669.26x = 279,683.48 × 112,025.29
  4. Step 4: Simplify right side
    202,669.26x = 31,331,622,955.21
  5. Step 5: Solve for x
    x = 31,331,622,955.21/202,669.26
  6. Step 6: Final answer
    x = 154,594.85

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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.