Home / 109,849.80-164,774.70-107,905.80

Finding the Fourth Proportional to 109,849.80, 164,774.70 and 107,905.80

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Solution

The fourth proportional to 109,849.80, 164,774.70 and 107,905.80 is: 161,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,849.80 : 164,774.70 = 107,905.80 : x
  2. Step 2: Convert to fraction form
    109,849.80/164,774.70 = 107,905.80/x
  3. Step 3: Cross multiply
    109,849.80x = 164,774.70 × 107,905.80
  4. Step 4: Simplify right side
    109,849.80x = 17,780,145,823.26
  5. Step 5: Solve for x
    x = 17,780,145,823.26/109,849.80
  6. Step 6: Final answer
    x = 161,858.70

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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.