Home / 214,306.56-321,148.80-120,612.24

Finding the Fourth Proportional to 214,306.56, 321,148.80 and 120,612.24

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Solution

The fourth proportional to 214,306.56, 321,148.80 and 120,612.24 is: 180,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,306.56 : 321,148.80 = 120,612.24 : x
  2. Step 2: Convert to fraction form
    214,306.56/321,148.80 = 120,612.24/x
  3. Step 3: Cross multiply
    214,306.56x = 321,148.80 × 120,612.24
  4. Step 4: Simplify right side
    214,306.56x = 38,734,476,141.31
  5. Step 5: Solve for x
    x = 38,734,476,141.31/214,306.56
  6. Step 6: Final answer
    x = 180,743.31

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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.