Home / 156,206.60-234,171.66-73,078.28

Finding the Fourth Proportional to 156,206.60, 234,171.66 and 73,078.28

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Solution

The fourth proportional to 156,206.60, 234,171.66 and 73,078.28 is: 109,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,206.60 : 234,171.66 = 73,078.28 : x
  2. Step 2: Convert to fraction form
    156,206.60/234,171.66 = 73,078.28/x
  3. Step 3: Cross multiply
    156,206.60x = 234,171.66 × 73,078.28
  4. Step 4: Simplify right side
    156,206.60x = 17,112,862,137.54
  5. Step 5: Solve for x
    x = 17,112,862,137.54/156,206.60
  6. Step 6: Final answer
    x = 109,552.75

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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.