Home / 197,529.18-296,217.22-71,142.45

Finding the Fourth Proportional to 197,529.18, 296,217.22 and 71,142.45

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Solution

The fourth proportional to 197,529.18, 296,217.22 and 71,142.45 is: 106,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,529.18 : 296,217.22 = 71,142.45 : x
  2. Step 2: Convert to fraction form
    197,529.18/296,217.22 = 71,142.45/x
  3. Step 3: Cross multiply
    197,529.18x = 296,217.22 × 71,142.45
  4. Step 4: Simplify right side
    197,529.18x = 21,073,618,762.99
  5. Step 5: Solve for x
    x = 21,073,618,762.99/197,529.18
  6. Step 6: Final answer
    x = 106,686.10

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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.