Home / 101,250.12-151,915.50-38,903.88

Finding the Fourth Proportional to 101,250.12, 151,915.50 and 38,903.88

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Solution

The fourth proportional to 101,250.12, 151,915.50 and 38,903.88 is: 58,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,250.12 : 151,915.50 = 38,903.88 : x
  2. Step 2: Convert to fraction form
    101,250.12/151,915.50 = 38,903.88/x
  3. Step 3: Cross multiply
    101,250.12x = 151,915.50 × 38,903.88
  4. Step 4: Simplify right side
    101,250.12x = 5,910,102,382.14
  5. Step 5: Solve for x
    x = 5,910,102,382.14/101,250.12
  6. Step 6: Final answer
    x = 58,371.31

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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.