Home / 110,845.90-166,171.65-66,490.30

Finding the Fourth Proportional to 110,845.90, 166,171.65 and 66,490.30

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Solution

The fourth proportional to 110,845.90, 166,171.65 and 66,490.30 is: 99,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,845.90 : 166,171.65 = 66,490.30 : x
  2. Step 2: Convert to fraction form
    110,845.90/166,171.65 = 66,490.30/x
  3. Step 3: Cross multiply
    110,845.90x = 166,171.65 × 66,490.30
  4. Step 4: Simplify right side
    110,845.90x = 11,048,802,860.00
  5. Step 5: Solve for x
    x = 11,048,802,860.00/110,845.90
  6. Step 6: Final answer
    x = 99,677.15

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1.5x scale

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.