Home / 156,937.10-235,016.85-100,690.70

Finding the Fourth Proportional to 156,937.10, 235,016.85 and 100,690.70

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Solution

The fourth proportional to 156,937.10, 235,016.85 and 100,690.70 is: 150,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,937.10 : 235,016.85 = 100,690.70 : x
  2. Step 2: Convert to fraction form
    156,937.10/235,016.85 = 100,690.70/x
  3. Step 3: Cross multiply
    156,937.10x = 235,016.85 × 100,690.70
  4. Step 4: Simplify right side
    156,937.10x = 23,664,011,138.30
  5. Step 5: Solve for x
    x = 23,664,011,138.30/156,937.10
  6. Step 6: Final answer
    x = 150,786.60

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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.