Home / 156,155.15-234,197.62-71,834.35

Finding the Fourth Proportional to 156,155.15, 234,197.62 and 71,834.35

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Solution

The fourth proportional to 156,155.15, 234,197.62 and 71,834.35 is: 107,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,155.15 : 234,197.62 = 71,834.35 : x
  2. Step 2: Convert to fraction form
    156,155.15/234,197.62 = 71,834.35/x
  3. Step 3: Cross multiply
    156,155.15x = 234,197.62 × 71,834.35
  4. Step 4: Simplify right side
    156,155.15x = 16,823,433,804.25
  5. Step 5: Solve for x
    x = 16,823,433,804.25/156,155.15
  6. Step 6: Final answer
    x = 107,735.38

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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.