Home / 143,847.77-198,502.65-80,173.26

Finding the Fourth Proportional to 143,847.77, 198,502.65 and 80,173.26

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Solution

The fourth proportional to 143,847.77, 198,502.65 and 80,173.26 is: 110,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,847.77 : 198,502.65 = 80,173.26 : x
  2. Step 2: Convert to fraction form
    143,847.77/198,502.65 = 80,173.26/x
  3. Step 3: Cross multiply
    143,847.77x = 198,502.65 × 80,173.26
  4. Step 4: Simplify right side
    143,847.77x = 15,914,604,569.14
  5. Step 5: Solve for x
    x = 15,914,604,569.14/143,847.77
  6. Step 6: Final answer
    x = 110,635.05

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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.