Home / 179,268.72-268,943.40-54,622.32

Finding the Fourth Proportional to 179,268.72, 268,943.40 and 54,622.32

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Solution

The fourth proportional to 179,268.72, 268,943.40 and 54,622.32 is: 81,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,268.72 : 268,943.40 = 54,622.32 : x
  2. Step 2: Convert to fraction form
    179,268.72/268,943.40 = 54,622.32/x
  3. Step 3: Cross multiply
    179,268.72x = 268,943.40 × 54,622.32
  4. Step 4: Simplify right side
    179,268.72x = 14,690,312,456.69
  5. Step 5: Solve for x
    x = 14,690,312,456.69/179,268.72
  6. Step 6: Final answer
    x = 81,945.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.