Home / 179,268.80-247,612.64-131,446.40

Finding the Fourth Proportional to 179,268.80, 247,612.64 and 131,446.40

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Solution

The fourth proportional to 179,268.80, 247,612.64 and 131,446.40 is: 181,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,268.80 : 247,612.64 = 131,446.40 : x
  2. Step 2: Convert to fraction form
    179,268.80/247,612.64 = 131,446.40/x
  3. Step 3: Cross multiply
    179,268.80x = 247,612.64 × 131,446.40
  4. Step 4: Simplify right side
    179,268.80x = 32,547,790,122.50
  5. Step 5: Solve for x
    x = 32,547,790,122.50/179,268.80
  6. Step 6: Final answer
    x = 181,558.59

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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.