Home / 212,520.39-293,278.11-117,026.85

Finding the Fourth Proportional to 212,520.39, 293,278.11 and 117,026.85

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Solution

The fourth proportional to 212,520.39, 293,278.11 and 117,026.85 is: 161,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,520.39 : 293,278.11 = 117,026.85 : x
  2. Step 2: Convert to fraction form
    212,520.39/293,278.11 = 117,026.85/x
  3. Step 3: Cross multiply
    212,520.39x = 293,278.11 × 117,026.85
  4. Step 4: Simplify right side
    212,520.39x = 34,321,413,387.25
  5. Step 5: Solve for x
    x = 34,321,413,387.25/212,520.39
  6. Step 6: Final answer
    x = 161,497.04

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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.