Home / 104,600.96-144,418.83-80,358.75

Finding the Fourth Proportional to 104,600.96, 144,418.83 and 80,358.75

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Solution

The fourth proportional to 104,600.96, 144,418.83 and 80,358.75 is: 110,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,600.96 : 144,418.83 = 80,358.75 : x
  2. Step 2: Convert to fraction form
    104,600.96/144,418.83 = 80,358.75/x
  3. Step 3: Cross multiply
    104,600.96x = 144,418.83 × 80,358.75
  4. Step 4: Simplify right side
    104,600.96x = 11,605,316,234.51
  5. Step 5: Solve for x
    x = 11,605,316,234.51/104,600.96
  6. Step 6: Final answer
    x = 110,948.47

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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.