Home / 103,167.55-154,552.06-76,102.21

Finding the Fourth Proportional to 103,167.55, 154,552.06 and 76,102.21

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Solution

The fourth proportional to 103,167.55, 154,552.06 and 76,102.21 is: 114,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,167.55 : 154,552.06 = 76,102.21 : x
  2. Step 2: Convert to fraction form
    103,167.55/154,552.06 = 76,102.21/x
  3. Step 3: Cross multiply
    103,167.55x = 154,552.06 × 76,102.21
  4. Step 4: Simplify right side
    103,167.55x = 11,761,752,749.42
  5. Step 5: Solve for x
    x = 11,761,752,749.42/103,167.55
  6. Step 6: Final answer
    x = 114,006.32

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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.