Home / 102,938.20-154,419.74-36,364.70

Finding the Fourth Proportional to 102,938.20, 154,419.74 and 36,364.70

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Solution

The fourth proportional to 102,938.20, 154,419.74 and 36,364.70 is: 54,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,938.20 : 154,419.74 = 36,364.70 : x
  2. Step 2: Convert to fraction form
    102,938.20/154,419.74 = 36,364.70/x
  3. Step 3: Cross multiply
    102,938.20x = 154,419.74 × 36,364.70
  4. Step 4: Simplify right side
    102,938.20x = 5,615,427,519.18
  5. Step 5: Solve for x
    x = 5,615,427,519.18/102,938.20
  6. Step 6: Final answer
    x = 54,551.44

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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.