Home / 123,943.62-171,028.29-70,217.13

Finding the Fourth Proportional to 123,943.62, 171,028.29 and 70,217.13

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Solution

The fourth proportional to 123,943.62, 171,028.29 and 70,217.13 is: 96,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,943.62 : 171,028.29 = 70,217.13 : x
  2. Step 2: Convert to fraction form
    123,943.62/171,028.29 = 70,217.13/x
  3. Step 3: Cross multiply
    123,943.62x = 171,028.29 × 70,217.13
  4. Step 4: Simplify right side
    123,943.62x = 12,009,115,672.61
  5. Step 5: Solve for x
    x = 12,009,115,672.61/123,943.62
  6. Step 6: Final answer
    x = 96,891.76

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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.