Home / 156,149.14-234,188.67-71,828.32

Finding the Fourth Proportional to 156,149.14, 234,188.67 and 71,828.32

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Solution

The fourth proportional to 156,149.14, 234,188.67 and 71,828.32 is: 107,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,149.14 : 234,188.67 = 71,828.32 : x
  2. Step 2: Convert to fraction form
    156,149.14/234,188.67 = 71,828.32/x
  3. Step 3: Cross multiply
    156,149.14x = 234,188.67 × 71,828.32
  4. Step 4: Simplify right side
    156,149.14x = 16,821,378,729.13
  5. Step 5: Solve for x
    x = 16,821,378,729.13/156,149.14
  6. Step 6: Final answer
    x = 107,726.36

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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.