Home / 110,945.20-166,417.80-66,549.10

Finding the Fourth Proportional to 110,945.20, 166,417.80 and 66,549.10

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Solution

The fourth proportional to 110,945.20, 166,417.80 and 66,549.10 is: 99,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,945.20 : 166,417.80 = 66,549.10 : x
  2. Step 2: Convert to fraction form
    110,945.20/166,417.80 = 66,549.10/x
  3. Step 3: Cross multiply
    110,945.20x = 166,417.80 × 66,549.10
  4. Step 4: Simplify right side
    110,945.20x = 11,074,954,813.98
  5. Step 5: Solve for x
    x = 11,074,954,813.98/110,945.20
  6. Step 6: Final answer
    x = 99,823.65

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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.