Home / 303,107.12-454,611.70-143,182.72

Finding the Fourth Proportional to 303,107.12, 454,611.70 and 143,182.72

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Solution

The fourth proportional to 303,107.12, 454,611.70 and 143,182.72 is: 214,750.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,107.12 : 454,611.70 = 143,182.72 : x
  2. Step 2: Convert to fraction form
    303,107.12/454,611.70 = 143,182.72/x
  3. Step 3: Cross multiply
    303,107.12x = 454,611.70 × 143,182.72
  4. Step 4: Simplify right side
    303,107.12x = 65,092,539,749.82
  5. Step 5: Solve for x
    x = 65,092,539,749.82/303,107.12
  6. Step 6: Final answer
    x = 214,750.94

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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.