Home / 104,719.92-144,567-80,792.88

Finding the Fourth Proportional to 104,719.92, 144,567 and 80,792.88

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Solution

The fourth proportional to 104,719.92, 144,567 and 80,792.88 is: 111,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,719.92 : 144,567 = 80,792.88 : x
  2. Step 2: Convert to fraction form
    104,719.92/144,567 = 80,792.88/x
  3. Step 3: Cross multiply
    104,719.92x = 144,567 × 80,792.88
  4. Step 4: Simplify right side
    104,719.92x = 11,679,984,282.96
  5. Step 5: Solve for x
    x = 11,679,984,282.96/104,719.92
  6. Step 6: Final answer
    x = 111,535.46

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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.