Home / 102,763.20-154,145.28-32,649.60

Finding the Fourth Proportional to 102,763.20, 154,145.28 and 32,649.60

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Solution

The fourth proportional to 102,763.20, 154,145.28 and 32,649.60 is: 48,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,763.20 : 154,145.28 = 32,649.60 : x
  2. Step 2: Convert to fraction form
    102,763.20/154,145.28 = 32,649.60/x
  3. Step 3: Cross multiply
    102,763.20x = 154,145.28 × 32,649.60
  4. Step 4: Simplify right side
    102,763.20x = 5,032,781,733.89
  5. Step 5: Solve for x
    x = 5,032,781,733.89/102,763.20
  6. Step 6: Final answer
    x = 48,974.55

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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.