Home / 101,145.08-151,761.36-38,801

Finding the Fourth Proportional to 101,145.08, 151,761.36 and 38,801

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Solution

The fourth proportional to 101,145.08, 151,761.36 and 38,801 is: 58,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,145.08 : 151,761.36 = 38,801 : x
  2. Step 2: Convert to fraction form
    101,145.08/151,761.36 = 38,801/x
  3. Step 3: Cross multiply
    101,145.08x = 151,761.36 × 38,801
  4. Step 4: Simplify right side
    101,145.08x = 5,888,492,529.36
  5. Step 5: Solve for x
    x = 5,888,492,529.36/101,145.08
  6. Step 6: Final answer
    x = 58,218.28

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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.