Home / 161,850.28-223,449.20-143,895.62

Finding the Fourth Proportional to 161,850.28, 223,449.20 and 143,895.62

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Solution

The fourth proportional to 161,850.28, 223,449.20 and 143,895.62 is: 198,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,850.28 : 223,449.20 = 143,895.62 : x
  2. Step 2: Convert to fraction form
    161,850.28/223,449.20 = 143,895.62/x
  3. Step 3: Cross multiply
    161,850.28x = 223,449.20 × 143,895.62
  4. Step 4: Simplify right side
    161,850.28x = 32,153,361,172.50
  5. Step 5: Solve for x
    x = 32,153,361,172.50/161,850.28
  6. Step 6: Final answer
    x = 198,661.14

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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.