Home / 214,885.20-322,328.70-72,731.60

Finding the Fourth Proportional to 214,885.20, 322,328.70 and 72,731.60

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Solution

The fourth proportional to 214,885.20, 322,328.70 and 72,731.60 is: 109,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,885.20 : 322,328.70 = 72,731.60 : x
  2. Step 2: Convert to fraction form
    214,885.20/322,328.70 = 72,731.60/x
  3. Step 3: Cross multiply
    214,885.20x = 322,328.70 × 72,731.60
  4. Step 4: Simplify right side
    214,885.20x = 23,443,482,076.92
  5. Step 5: Solve for x
    x = 23,443,482,076.92/214,885.20
  6. Step 6: Final answer
    x = 109,097.70

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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.