Home / 143,194.80-215,021.70-113,856.60

Finding the Fourth Proportional to 143,194.80, 215,021.70 and 113,856.60

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Solution

The fourth proportional to 143,194.80, 215,021.70 and 113,856.60 is: 170,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,194.80 : 215,021.70 = 113,856.60 : x
  2. Step 2: Convert to fraction form
    143,194.80/215,021.70 = 113,856.60/x
  3. Step 3: Cross multiply
    143,194.80x = 215,021.70 × 113,856.60
  4. Step 4: Simplify right side
    143,194.80x = 24,481,639,688.22
  5. Step 5: Solve for x
    x = 24,481,639,688.22/143,194.80
  6. Step 6: Final answer
    x = 170,967.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.