Home / 212,910.95-319,499.39-141,883.43

Finding the Fourth Proportional to 212,910.95, 319,499.39 and 141,883.43

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Solution

The fourth proportional to 212,910.95, 319,499.39 and 141,883.43 is: 212,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,910.95 : 319,499.39 = 141,883.43 : x
  2. Step 2: Convert to fraction form
    212,910.95/319,499.39 = 141,883.43/x
  3. Step 3: Cross multiply
    212,910.95x = 319,499.39 × 141,883.43
  4. Step 4: Simplify right side
    212,910.95x = 45,331,668,626.69
  5. Step 5: Solve for x
    x = 45,331,668,626.69/212,910.95
  6. Step 6: Final answer
    x = 212,913.75

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1.5x scale

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.