Home / 94,747.76-142,110.32-73,708.80

Finding the Fourth Proportional to 94,747.76, 142,110.32 and 73,708.80

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Solution

The fourth proportional to 94,747.76, 142,110.32 and 73,708.80 is: 110,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,747.76 : 142,110.32 = 73,708.80 : x
  2. Step 2: Convert to fraction form
    94,747.76/142,110.32 = 73,708.80/x
  3. Step 3: Cross multiply
    94,747.76x = 142,110.32 × 73,708.80
  4. Step 4: Simplify right side
    94,747.76x = 10,474,781,154.82
  5. Step 5: Solve for x
    x = 10,474,781,154.82/94,747.76
  6. Step 6: Final answer
    x = 110,554.39

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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.