Home / 123,868.62-170,926.92-70,143.30

Finding the Fourth Proportional to 123,868.62, 170,926.92 and 70,143.30

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Solution

The fourth proportional to 123,868.62, 170,926.92 and 70,143.30 is: 96,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,868.62 : 170,926.92 = 70,143.30 : x
  2. Step 2: Convert to fraction form
    123,868.62/170,926.92 = 70,143.30/x
  3. Step 3: Cross multiply
    123,868.62x = 170,926.92 × 70,143.30
  4. Step 4: Simplify right side
    123,868.62x = 11,989,378,227.64
  5. Step 5: Solve for x
    x = 11,989,378,227.64/123,868.62
  6. Step 6: Final answer
    x = 96,791.09

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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.