Home / 177,621.80-245,087.17-105,997.55

Finding the Fourth Proportional to 177,621.80, 245,087.17 and 105,997.55

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Solution

The fourth proportional to 177,621.80, 245,087.17 and 105,997.55 is: 146,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,621.80 : 245,087.17 = 105,997.55 : x
  2. Step 2: Convert to fraction form
    177,621.80/245,087.17 = 105,997.55/x
  3. Step 3: Cross multiply
    177,621.80x = 245,087.17 × 105,997.55
  4. Step 4: Simplify right side
    177,621.80x = 25,978,638,066.00
  5. Step 5: Solve for x
    x = 25,978,638,066.00/177,621.80
  6. Step 6: Final answer
    x = 146,258.17

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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.