Home / 114,942.60-172,025.10-100,945.80

Finding the Fourth Proportional to 114,942.60, 172,025.10 and 100,945.80

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Solution

The fourth proportional to 114,942.60, 172,025.10 and 100,945.80 is: 151,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,942.60 : 172,025.10 = 100,945.80 : x
  2. Step 2: Convert to fraction form
    114,942.60/172,025.10 = 100,945.80/x
  3. Step 3: Cross multiply
    114,942.60x = 172,025.10 × 100,945.80
  4. Step 4: Simplify right side
    114,942.60x = 17,365,211,339.58
  5. Step 5: Solve for x
    x = 17,365,211,339.58/114,942.60
  6. Step 6: Final answer
    x = 151,077.24

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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.