Home / 214,031.13-321,046.80-54,107.55

Finding the Fourth Proportional to 214,031.13, 321,046.80 and 54,107.55

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Solution

The fourth proportional to 214,031.13, 321,046.80 and 54,107.55 is: 81,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,031.13 : 321,046.80 = 54,107.55 : x
  2. Step 2: Convert to fraction form
    214,031.13/321,046.80 = 54,107.55/x
  3. Step 3: Cross multiply
    214,031.13x = 321,046.80 × 54,107.55
  4. Step 4: Simplify right side
    214,031.13x = 17,371,055,783.34
  5. Step 5: Solve for x
    x = 17,371,055,783.34/214,031.13
  6. Step 6: Final answer
    x = 81,161.35

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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.