Home / 212,000.20-317,903.10-93,610.60

Finding the Fourth Proportional to 212,000.20, 317,903.10 and 93,610.60

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Solution

The fourth proportional to 212,000.20, 317,903.10 and 93,610.60 is: 140,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,000.20 : 317,903.10 = 93,610.60 : x
  2. Step 2: Convert to fraction form
    212,000.20/317,903.10 = 93,610.60/x
  3. Step 3: Cross multiply
    212,000.20x = 317,903.10 × 93,610.60
  4. Step 4: Simplify right side
    212,000.20x = 29,759,099,932.86
  5. Step 5: Solve for x
    x = 29,759,099,932.86/212,000.20
  6. Step 6: Final answer
    x = 140,372.98

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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.