Home / 156,747.40-235,121.10-56,910.85

Finding the Fourth Proportional to 156,747.40, 235,121.10 and 56,910.85

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Solution

The fourth proportional to 156,747.40, 235,121.10 and 56,910.85 is: 85,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,747.40 : 235,121.10 = 56,910.85 : x
  2. Step 2: Convert to fraction form
    156,747.40/235,121.10 = 56,910.85/x
  3. Step 3: Cross multiply
    156,747.40x = 235,121.10 × 56,910.85
  4. Step 4: Simplify right side
    156,747.40x = 13,380,941,653.94
  5. Step 5: Solve for x
    x = 13,380,941,653.94/156,747.40
  6. Step 6: Final answer
    x = 85,366.28

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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.