Home / 92,948.20-139,422.30-30,610.60

Finding the Fourth Proportional to 92,948.20, 139,422.30 and 30,610.60

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Solution

The fourth proportional to 92,948.20, 139,422.30 and 30,610.60 is: 45,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,948.20 : 139,422.30 = 30,610.60 : x
  2. Step 2: Convert to fraction form
    92,948.20/139,422.30 = 30,610.60/x
  3. Step 3: Cross multiply
    92,948.20x = 139,422.30 × 30,610.60
  4. Step 4: Simplify right side
    92,948.20x = 4,267,800,256.38
  5. Step 5: Solve for x
    x = 4,267,800,256.38/92,948.20
  6. Step 6: Final answer
    x = 45,915.90

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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.