Home / 221,156.49-331,213.95-146,090.45

Finding the Fourth Proportional to 221,156.49, 331,213.95 and 146,090.45

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Solution

The fourth proportional to 221,156.49, 331,213.95 and 146,090.45 is: 218,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,156.49 : 331,213.95 = 146,090.45 : x
  2. Step 2: Convert to fraction form
    221,156.49/331,213.95 = 146,090.45/x
  3. Step 3: Cross multiply
    221,156.49x = 331,213.95 × 146,090.45
  4. Step 4: Simplify right side
    221,156.49x = 48,387,194,538.97
  5. Step 5: Solve for x
    x = 48,387,194,538.97/221,156.49
  6. Step 6: Final answer
    x = 218,791.66

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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.