Home / 148,387.80-222,581.70-109,021.80

Finding the Fourth Proportional to 148,387.80, 222,581.70 and 109,021.80

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Solution

The fourth proportional to 148,387.80, 222,581.70 and 109,021.80 is: 163,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,387.80 : 222,581.70 = 109,021.80 : x
  2. Step 2: Convert to fraction form
    148,387.80/222,581.70 = 109,021.80/x
  3. Step 3: Cross multiply
    148,387.80x = 222,581.70 × 109,021.80
  4. Step 4: Simplify right side
    148,387.80x = 24,266,257,581.06
  5. Step 5: Solve for x
    x = 24,266,257,581.06/148,387.80
  6. Step 6: Final answer
    x = 163,532.70

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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.