Home / 100,934.70-151,365.60-50,998.20

Finding the Fourth Proportional to 100,934.70, 151,365.60 and 50,998.20

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Solution

The fourth proportional to 100,934.70, 151,365.60 and 50,998.20 is: 76,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,934.70 : 151,365.60 = 50,998.20 : x
  2. Step 2: Convert to fraction form
    100,934.70/151,365.60 = 50,998.20/x
  3. Step 3: Cross multiply
    100,934.70x = 151,365.60 × 50,998.20
  4. Step 4: Simplify right side
    100,934.70x = 7,719,373,141.92
  5. Step 5: Solve for x
    x = 7,719,373,141.92/100,934.70
  6. Step 6: Final answer
    x = 76,478.88

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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.