Home / 215,763.48-297,614.66-143,164.80

Finding the Fourth Proportional to 215,763.48, 297,614.66 and 143,164.80

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Solution

The fourth proportional to 215,763.48, 297,614.66 and 143,164.80 is: 197,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,763.48 : 297,614.66 = 143,164.80 : x
  2. Step 2: Convert to fraction form
    215,763.48/297,614.66 = 143,164.80/x
  3. Step 3: Cross multiply
    215,763.48x = 297,614.66 × 143,164.80
  4. Step 4: Simplify right side
    215,763.48x = 42,607,942,560.14
  5. Step 5: Solve for x
    x = 42,607,942,560.14/215,763.48
  6. Step 6: Final answer
    x = 197,475.23

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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.