Home / 77,136.44-115,714.00-27,206.31

Finding the Fourth Proportional to 77,136.44, 115,714.00 and 27,206.31

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Solution

The fourth proportional to 77,136.44, 115,714.00 and 27,206.31 is: 40,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,136.44 : 115,714.00 = 27,206.31 : x
  2. Step 2: Convert to fraction form
    77,136.44/115,714.00 = 27,206.31/x
  3. Step 3: Cross multiply
    77,136.44x = 115,714.00 × 27,206.31
  4. Step 4: Simplify right side
    77,136.44x = 3,148,151,423.28
  5. Step 5: Solve for x
    x = 3,148,151,423.28/77,136.44
  6. Step 6: Final answer
    x = 40,812.77

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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.