Home / 143,886.40-198,563.46-80,228.22

Finding the Fourth Proportional to 143,886.40, 198,563.46 and 80,228.22

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Solution

The fourth proportional to 143,886.40, 198,563.46 and 80,228.22 is: 110,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,886.40 : 198,563.46 = 80,228.22 : x
  2. Step 2: Convert to fraction form
    143,886.40/198,563.46 = 80,228.22/x
  3. Step 3: Cross multiply
    143,886.40x = 198,563.46 × 80,228.22
  4. Step 4: Simplify right side
    143,886.40x = 15,930,392,952.84
  5. Step 5: Solve for x
    x = 15,930,392,952.84/143,886.40
  6. Step 6: Final answer
    x = 110,715.07

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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.