Home / 156,937.10-235,405.65-112,469.90

Finding the Fourth Proportional to 156,937.10, 235,405.65 and 112,469.90

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Solution

The fourth proportional to 156,937.10, 235,405.65 and 112,469.90 is: 168,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,937.10 : 235,405.65 = 112,469.90 : x
  2. Step 2: Convert to fraction form
    156,937.10/235,405.65 = 112,469.90/x
  3. Step 3: Cross multiply
    156,937.10x = 235,405.65 × 112,469.90
  4. Step 4: Simplify right side
    156,937.10x = 26,476,049,914.94
  5. Step 5: Solve for x
    x = 26,476,049,914.94/156,937.10
  6. Step 6: Final answer
    x = 168,704.85

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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.