Home / 105,536.20-158,169.90-43,136.20

Finding the Fourth Proportional to 105,536.20, 158,169.90 and 43,136.20

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Solution

The fourth proportional to 105,536.20, 158,169.90 and 43,136.20 is: 64,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,536.20 : 158,169.90 = 43,136.20 : x
  2. Step 2: Convert to fraction form
    105,536.20/158,169.90 = 43,136.20/x
  3. Step 3: Cross multiply
    105,536.20x = 158,169.90 × 43,136.20
  4. Step 4: Simplify right side
    105,536.20x = 6,822,848,440.38
  5. Step 5: Solve for x
    x = 6,822,848,440.38/105,536.20
  6. Step 6: Final answer
    x = 64,649.37

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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.