Home / 136,234.03-188,002.96-75,808.56

Finding the Fourth Proportional to 136,234.03, 188,002.96 and 75,808.56

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Solution

The fourth proportional to 136,234.03, 188,002.96 and 75,808.56 is: 104,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,234.03 : 188,002.96 = 75,808.56 : x
  2. Step 2: Convert to fraction form
    136,234.03/188,002.96 = 75,808.56/x
  3. Step 3: Cross multiply
    136,234.03x = 188,002.96 × 75,808.56
  4. Step 4: Simplify right side
    136,234.03x = 14,252,234,473.11
  5. Step 5: Solve for x
    x = 14,252,234,473.11/136,234.03
  6. Step 6: Final answer
    x = 104,615.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.