Home / 215,733.48-297,573.24-143,134.80

Finding the Fourth Proportional to 215,733.48, 297,573.24 and 143,134.80

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Solution

The fourth proportional to 215,733.48, 297,573.24 and 143,134.80 is: 197,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,733.48 : 297,573.24 = 143,134.80 : x
  2. Step 2: Convert to fraction form
    215,733.48/297,573.24 = 143,134.80/x
  3. Step 3: Cross multiply
    215,733.48x = 297,573.24 × 143,134.80
  4. Step 4: Simplify right side
    215,733.48x = 42,593,086,192.75
  5. Step 5: Solve for x
    x = 42,593,086,192.75/215,733.48
  6. Step 6: Final answer
    x = 197,433.83

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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.