Home / 214,242.24-321,562.68-109,139.88

Finding the Fourth Proportional to 214,242.24, 321,562.68 and 109,139.88

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Solution

The fourth proportional to 214,242.24, 321,562.68 and 109,139.88 is: 163,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,242.24 : 321,562.68 = 109,139.88 : x
  2. Step 2: Convert to fraction form
    214,242.24/321,562.68 = 109,139.88/x
  3. Step 3: Cross multiply
    214,242.24x = 321,562.68 × 109,139.88
  4. Step 4: Simplify right side
    214,242.24x = 35,095,312,307.68
  5. Step 5: Solve for x
    x = 35,095,312,307.68/214,242.24
  6. Step 6: Final answer
    x = 163,811.36

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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.