Home / 156,736.90-235,121.79-51,564.10

Finding the Fourth Proportional to 156,736.90, 235,121.79 and 51,564.10

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Solution

The fourth proportional to 156,736.90, 235,121.79 and 51,564.10 is: 77,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,736.90 : 235,121.79 = 51,564.10 : x
  2. Step 2: Convert to fraction form
    156,736.90/235,121.79 = 51,564.10/x
  3. Step 3: Cross multiply
    156,736.90x = 235,121.79 × 51,564.10
  4. Step 4: Simplify right side
    156,736.90x = 12,123,843,491.74
  5. Step 5: Solve for x
    x = 12,123,843,491.74/156,736.90
  6. Step 6: Final answer
    x = 77,351.56

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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.