Home / 104,505.43-144,215.12-56,757.75

Finding the Fourth Proportional to 104,505.43, 144,215.12 and 56,757.75

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Solution

The fourth proportional to 104,505.43, 144,215.12 and 56,757.75 is: 78,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,505.43 : 144,215.12 = 56,757.75 : x
  2. Step 2: Convert to fraction form
    104,505.43/144,215.12 = 56,757.75/x
  3. Step 3: Cross multiply
    104,505.43x = 144,215.12 × 56,757.75
  4. Step 4: Simplify right side
    104,505.43x = 8,185,325,727.18
  5. Step 5: Solve for x
    x = 8,185,325,727.18/104,505.43
  6. Step 6: Final answer
    x = 78,324.41

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1.5x scale

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.