Home / 221,581.17-331,876.04-103,074.93

Finding the Fourth Proportional to 221,581.17, 331,876.04 and 103,074.93

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Solution

The fourth proportional to 221,581.17, 331,876.04 and 103,074.93 is: 154,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,581.17 : 331,876.04 = 103,074.93 : x
  2. Step 2: Convert to fraction form
    221,581.17/331,876.04 = 103,074.93/x
  3. Step 3: Cross multiply
    221,581.17x = 331,876.04 × 103,074.93
  4. Step 4: Simplify right side
    221,581.17x = 34,208,099,076.30
  5. Step 5: Solve for x
    x = 34,208,099,076.30/221,581.17
  6. Step 6: Final answer
    x = 154,381.80

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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.