Home / 150,177.72-206,905.38-123,277.62

Finding the Fourth Proportional to 150,177.72, 206,905.38 and 123,277.62

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Solution

The fourth proportional to 150,177.72, 206,905.38 and 123,277.62 is: 169,844.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,177.72 : 206,905.38 = 123,277.62 : x
  2. Step 2: Convert to fraction form
    150,177.72/206,905.38 = 123,277.62/x
  3. Step 3: Cross multiply
    150,177.72x = 206,905.38 × 123,277.62
  4. Step 4: Simplify right side
    150,177.72x = 25,506,802,811.60
  5. Step 5: Solve for x
    x = 25,506,802,811.60/150,177.72
  6. Step 6: Final answer
    x = 169,844.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.