Home / 141,968.20-212,952.30-79,630.60

Finding the Fourth Proportional to 141,968.20, 212,952.30 and 79,630.60

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Solution

The fourth proportional to 141,968.20, 212,952.30 and 79,630.60 is: 119,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,968.20 : 212,952.30 = 79,630.60 : x
  2. Step 2: Convert to fraction form
    141,968.20/212,952.30 = 79,630.60/x
  3. Step 3: Cross multiply
    141,968.20x = 212,952.30 × 79,630.60
  4. Step 4: Simplify right side
    141,968.20x = 16,957,519,420.38
  5. Step 5: Solve for x
    x = 16,957,519,420.38/141,968.20
  6. Step 6: Final answer
    x = 119,445.90

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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.