Home / 202,439.24-279,364.50-111,801.32

Finding the Fourth Proportional to 202,439.24, 279,364.50 and 111,801.32

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Solution

The fourth proportional to 202,439.24, 279,364.50 and 111,801.32 is: 154,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,439.24 : 279,364.50 = 111,801.32 : x
  2. Step 2: Convert to fraction form
    202,439.24/279,364.50 = 111,801.32/x
  3. Step 3: Cross multiply
    202,439.24x = 279,364.50 × 111,801.32
  4. Step 4: Simplify right side
    202,439.24x = 31,233,318,464.32
  5. Step 5: Solve for x
    x = 31,233,318,464.32/202,439.24
  6. Step 6: Final answer
    x = 154,284.91

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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.