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Finding the Fourth Proportional to 101,229.40, 151,844.10 and 68,051.80

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Solution

The fourth proportional to 101,229.40, 151,844.10 and 68,051.80 is: 102,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,229.40 : 151,844.10 = 68,051.80 : x
  2. Step 2: Convert to fraction form
    101,229.40/151,844.10 = 68,051.80/x
  3. Step 3: Cross multiply
    101,229.40x = 151,844.10 × 68,051.80
  4. Step 4: Simplify right side
    101,229.40x = 10,333,264,324.38
  5. Step 5: Solve for x
    x = 10,333,264,324.38/101,229.40
  6. Step 6: Final answer
    x = 102,077.70

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1.5x scale

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.