Home / 155,261.52-214,338.24-105,222.96

Finding the Fourth Proportional to 155,261.52, 214,338.24 and 105,222.96

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Solution

The fourth proportional to 155,261.52, 214,338.24 and 105,222.96 is: 145,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,261.52 : 214,338.24 = 105,222.96 : x
  2. Step 2: Convert to fraction form
    155,261.52/214,338.24 = 105,222.96/x
  3. Step 3: Cross multiply
    155,261.52x = 214,338.24 × 105,222.96
  4. Step 4: Simplify right side
    155,261.52x = 22,553,304,053.99
  5. Step 5: Solve for x
    x = 22,553,304,053.99/155,261.52
  6. Step 6: Final answer
    x = 145,260.10

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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.