Home / 303,066.12-454,550.16-143,141.76

Finding the Fourth Proportional to 303,066.12, 454,550.16 and 143,141.76

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Solution

The fourth proportional to 303,066.12, 454,550.16 and 143,141.76 is: 214,689.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,066.12 : 454,550.16 = 143,141.76 : x
  2. Step 2: Convert to fraction form
    303,066.12/454,550.16 = 143,141.76/x
  3. Step 3: Cross multiply
    303,066.12x = 454,550.16 × 143,141.76
  4. Step 4: Simplify right side
    303,066.12x = 65,065,109,910.68
  5. Step 5: Solve for x
    x = 65,065,109,910.68/303,066.12
  6. Step 6: Final answer
    x = 214,689.49

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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.