Home / 133,076.90-199,615.35-109,457.30

Finding the Fourth Proportional to 133,076.90, 199,615.35 and 109,457.30

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Solution

The fourth proportional to 133,076.90, 199,615.35 and 109,457.30 is: 164,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076.90 : 199,615.35 = 109,457.30 : x
  2. Step 2: Convert to fraction form
    133,076.90/199,615.35 = 109,457.30/x
  3. Step 3: Cross multiply
    133,076.90x = 199,615.35 × 109,457.30
  4. Step 4: Simplify right side
    133,076.90x = 21,849,357,249.56
  5. Step 5: Solve for x
    x = 21,849,357,249.56/133,076.90
  6. Step 6: Final answer
    x = 164,185.95

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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.