Home / 168,219.82-252,121.95-144,359.65

Finding the Fourth Proportional to 168,219.82, 252,121.95 and 144,359.65

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Solution

The fourth proportional to 168,219.82, 252,121.95 and 144,359.65 is: 216,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,219.82 : 252,121.95 = 144,359.65 : x
  2. Step 2: Convert to fraction form
    168,219.82/252,121.95 = 144,359.65/x
  3. Step 3: Cross multiply
    168,219.82x = 252,121.95 × 144,359.65
  4. Step 4: Simplify right side
    168,219.82x = 36,396,236,459.32
  5. Step 5: Solve for x
    x = 36,396,236,459.32/168,219.82
  6. Step 6: Final answer
    x = 216,361.17

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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.