Home / 212,715.01-293,542.94-115,919.73

Finding the Fourth Proportional to 212,715.01, 293,542.94 and 115,919.73

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Solution

The fourth proportional to 212,715.01, 293,542.94 and 115,919.73 is: 159,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,715.01 : 293,542.94 = 115,919.73 : x
  2. Step 2: Convert to fraction form
    212,715.01/293,542.94 = 115,919.73/x
  3. Step 3: Cross multiply
    212,715.01x = 293,542.94 × 115,919.73
  4. Step 4: Simplify right side
    212,715.01x = 34,027,418,348.21
  5. Step 5: Solve for x
    x = 34,027,418,348.21/212,715.01
  6. Step 6: Final answer
    x = 159,967.17

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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.