Home / 197,530.18-296,218.72-71,143.45

Finding the Fourth Proportional to 197,530.18, 296,218.72 and 71,143.45

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Solution

The fourth proportional to 197,530.18, 296,218.72 and 71,143.45 is: 106,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,530.18 : 296,218.72 = 71,143.45 : x
  2. Step 2: Convert to fraction form
    197,530.18/296,218.72 = 71,143.45/x
  3. Step 3: Cross multiply
    197,530.18x = 296,218.72 × 71,143.45
  4. Step 4: Simplify right side
    197,530.18x = 21,074,021,695.38
  5. Step 5: Solve for x
    x = 21,074,021,695.38/197,530.18
  6. Step 6: Final answer
    x = 106,687.60

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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.