Home / 102,948.70-154,423.05-36,388.30

Finding the Fourth Proportional to 102,948.70, 154,423.05 and 36,388.30

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Solution

The fourth proportional to 102,948.70, 154,423.05 and 36,388.30 is: 54,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,948.70 : 154,423.05 = 36,388.30 : x
  2. Step 2: Convert to fraction form
    102,948.70/154,423.05 = 36,388.30/x
  3. Step 3: Cross multiply
    102,948.70x = 154,423.05 × 36,388.30
  4. Step 4: Simplify right side
    102,948.70x = 5,619,192,270.32
  5. Step 5: Solve for x
    x = 5,619,192,270.32/102,948.70
  6. Step 6: Final answer
    x = 54,582.45

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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.