Home / 156,146.50-234,226.23-45,338.50

Finding the Fourth Proportional to 156,146.50, 234,226.23 and 45,338.50

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Solution

The fourth proportional to 156,146.50, 234,226.23 and 45,338.50 is: 68,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,146.50 : 234,226.23 = 45,338.50 : x
  2. Step 2: Convert to fraction form
    156,146.50/234,226.23 = 45,338.50/x
  3. Step 3: Cross multiply
    156,146.50x = 234,226.23 × 45,338.50
  4. Step 4: Simplify right side
    156,146.50x = 10,619,465,928.86
  5. Step 5: Solve for x
    x = 10,619,465,928.86/156,146.50
  6. Step 6: Final answer
    x = 68,009.63

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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.