Home / 114,942.10-172,024.35-100,945.30

Finding the Fourth Proportional to 114,942.10, 172,024.35 and 100,945.30

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Solution

The fourth proportional to 114,942.10, 172,024.35 and 100,945.30 is: 151,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,942.10 : 172,024.35 = 100,945.30 : x
  2. Step 2: Convert to fraction form
    114,942.10/172,024.35 = 100,945.30/x
  3. Step 3: Cross multiply
    114,942.10x = 172,024.35 × 100,945.30
  4. Step 4: Simplify right side
    114,942.10x = 17,365,049,618.06
  5. Step 5: Solve for x
    x = 17,365,049,618.06/114,942.10
  6. Step 6: Final answer
    x = 151,076.50

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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.