Home / 101,820.42-152,669.27-45,650.36

Finding the Fourth Proportional to 101,820.42, 152,669.27 and 45,650.36

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Solution

The fourth proportional to 101,820.42, 152,669.27 and 45,650.36 is: 68,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,820.42 : 152,669.27 = 45,650.36 : x
  2. Step 2: Convert to fraction form
    101,820.42/152,669.27 = 45,650.36/x
  3. Step 3: Cross multiply
    101,820.42x = 152,669.27 × 45,650.36
  4. Step 4: Simplify right side
    101,820.42x = 6,969,407,136.44
  5. Step 5: Solve for x
    x = 6,969,407,136.44/101,820.42
  6. Step 6: Final answer
    x = 68,448.03

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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.