Home / 101,182.12-151,645.57-51,274.78

Finding the Fourth Proportional to 101,182.12, 151,645.57 and 51,274.78

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Solution

The fourth proportional to 101,182.12, 151,645.57 and 51,274.78 is: 76,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,182.12 : 151,645.57 = 51,274.78 : x
  2. Step 2: Convert to fraction form
    101,182.12/151,645.57 = 51,274.78/x
  3. Step 3: Cross multiply
    101,182.12x = 151,645.57 × 51,274.78
  4. Step 4: Simplify right side
    101,182.12x = 7,775,593,239.72
  5. Step 5: Solve for x
    x = 7,775,593,239.72/101,182.12
  6. Step 6: Final answer
    x = 76,847.50

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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.