Home / 156,226.50-234,379.71-45,418.50

Finding the Fourth Proportional to 156,226.50, 234,379.71 and 45,418.50

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Solution

The fourth proportional to 156,226.50, 234,379.71 and 45,418.50 is: 68,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,226.50 : 234,379.71 = 45,418.50 : x
  2. Step 2: Convert to fraction form
    156,226.50/234,379.71 = 45,418.50/x
  3. Step 3: Cross multiply
    156,226.50x = 234,379.71 × 45,418.50
  4. Step 4: Simplify right side
    156,226.50x = 10,645,174,858.64
  5. Step 5: Solve for x
    x = 10,645,174,858.64/156,226.50
  6. Step 6: Final answer
    x = 68,139.37

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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.