Home / 142,604.36-214,294.28-76,091.48

Finding the Fourth Proportional to 142,604.36, 214,294.28 and 76,091.48

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Solution

The fourth proportional to 142,604.36, 214,294.28 and 76,091.48 is: 114,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,604.36 : 214,294.28 = 76,091.48 : x
  2. Step 2: Convert to fraction form
    142,604.36/214,294.28 = 76,091.48/x
  3. Step 3: Cross multiply
    142,604.36x = 214,294.28 × 76,091.48
  4. Step 4: Simplify right side
    142,604.36x = 16,305,968,920.73
  5. Step 5: Solve for x
    x = 16,305,968,920.73/142,604.36
  6. Step 6: Final answer
    x = 114,344.11

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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.