Home / 190,541.74-262,969.28-109,990.88

Finding the Fourth Proportional to 190,541.74, 262,969.28 and 109,990.88

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Solution

The fourth proportional to 190,541.74, 262,969.28 and 109,990.88 is: 151,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,541.74 : 262,969.28 = 109,990.88 : x
  2. Step 2: Convert to fraction form
    190,541.74/262,969.28 = 109,990.88/x
  3. Step 3: Cross multiply
    190,541.74x = 262,969.28 × 109,990.88
  4. Step 4: Simplify right side
    190,541.74x = 28,924,222,520.17
  5. Step 5: Solve for x
    x = 28,924,222,520.17/190,541.74
  6. Step 6: Final answer
    x = 151,799.93

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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.