Home / 156,311.25-234,310.95-61,482.12

Finding the Fourth Proportional to 156,311.25, 234,310.95 and 61,482.12

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Solution

The fourth proportional to 156,311.25, 234,310.95 and 61,482.12 is: 92,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,311.25 : 234,310.95 = 61,482.12 : x
  2. Step 2: Convert to fraction form
    156,311.25/234,310.95 = 61,482.12/x
  3. Step 3: Cross multiply
    156,311.25x = 234,310.95 × 61,482.12
  4. Step 4: Simplify right side
    156,311.25x = 14,405,933,945.21
  5. Step 5: Solve for x
    x = 14,405,933,945.21/156,311.25
  6. Step 6: Final answer
    x = 92,161.85

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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.