Home / 101,143.08-151,758.36-38,799

Finding the Fourth Proportional to 101,143.08, 151,758.36 and 38,799

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Solution

The fourth proportional to 101,143.08, 151,758.36 and 38,799 is: 58,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143.08 : 151,758.36 = 38,799 : x
  2. Step 2: Convert to fraction form
    101,143.08/151,758.36 = 38,799/x
  3. Step 3: Cross multiply
    101,143.08x = 151,758.36 × 38,799
  4. Step 4: Simplify right side
    101,143.08x = 5,888,072,609.64
  5. Step 5: Solve for x
    x = 5,888,072,609.64/101,143.08
  6. Step 6: Final answer
    x = 58,215.28

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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.