Home / 156,949.20-235,423.78-51,776.37

Finding the Fourth Proportional to 156,949.20, 235,423.78 and 51,776.37

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Solution

The fourth proportional to 156,949.20, 235,423.78 and 51,776.37 is: 77,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.20 : 235,423.78 = 51,776.37 : x
  2. Step 2: Convert to fraction form
    156,949.20/235,423.78 = 51,776.37/x
  3. Step 3: Cross multiply
    156,949.20x = 235,423.78 × 51,776.37
  4. Step 4: Simplify right side
    156,949.20x = 12,189,388,740.08
  5. Step 5: Solve for x
    x = 12,189,388,740.08/156,949.20
  6. Step 6: Final answer
    x = 77,664.55

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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.