Home / 214,116.81-321,180.48-71,964.24

Finding the Fourth Proportional to 214,116.81, 321,180.48 and 71,964.24

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Solution

The fourth proportional to 214,116.81, 321,180.48 and 71,964.24 is: 107,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,116.81 : 321,180.48 = 71,964.24 : x
  2. Step 2: Convert to fraction form
    214,116.81/321,180.48 = 71,964.24/x
  3. Step 3: Cross multiply
    214,116.81x = 321,180.48 × 71,964.24
  4. Step 4: Simplify right side
    214,116.81x = 23,113,509,146.04
  5. Step 5: Solve for x
    x = 23,113,509,146.04/214,116.81
  6. Step 6: Final answer
    x = 107,948.13

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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.