Home / 101,147.08-151,764.36-38,803

Finding the Fourth Proportional to 101,147.08, 151,764.36 and 38,803

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Solution

The fourth proportional to 101,147.08, 151,764.36 and 38,803 is: 58,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,147.08 : 151,764.36 = 38,803 : x
  2. Step 2: Convert to fraction form
    101,147.08/151,764.36 = 38,803/x
  3. Step 3: Cross multiply
    101,147.08x = 151,764.36 × 38,803
  4. Step 4: Simplify right side
    101,147.08x = 5,888,912,461.08
  5. Step 5: Solve for x
    x = 5,888,912,461.08/101,147.08
  6. Step 6: Final answer
    x = 58,221.28

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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.