Home / 102,948.60-154,422.90-36,388.20

Finding the Fourth Proportional to 102,948.60, 154,422.90 and 36,388.20

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Solution

The fourth proportional to 102,948.60, 154,422.90 and 36,388.20 is: 54,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,948.60 : 154,422.90 = 36,388.20 : x
  2. Step 2: Convert to fraction form
    102,948.60/154,422.90 = 36,388.20/x
  3. Step 3: Cross multiply
    102,948.60x = 154,422.90 × 36,388.20
  4. Step 4: Simplify right side
    102,948.60x = 5,619,171,369.78
  5. Step 5: Solve for x
    x = 5,619,171,369.78/102,948.60
  6. Step 6: Final answer
    x = 54,582.30

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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.