Home / 102,744.39-154,092.87-39,543.72

Finding the Fourth Proportional to 102,744.39, 154,092.87 and 39,543.72

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Solution

The fourth proportional to 102,744.39, 154,092.87 and 39,543.72 is: 59,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,744.39 : 154,092.87 = 39,543.72 : x
  2. Step 2: Convert to fraction form
    102,744.39/154,092.87 = 39,543.72/x
  3. Step 3: Cross multiply
    102,744.39x = 154,092.87 × 39,543.72
  4. Step 4: Simplify right side
    102,744.39x = 6,093,405,305.28
  5. Step 5: Solve for x
    x = 6,093,405,305.28/102,744.39
  6. Step 6: Final answer
    x = 59,306.45

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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.