Home / 174,723.40-261,858.30-81,029.80

Finding the Fourth Proportional to 174,723.40, 261,858.30 and 81,029.80

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Solution

The fourth proportional to 174,723.40, 261,858.30 and 81,029.80 is: 121,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,723.40 : 261,858.30 = 81,029.80 : x
  2. Step 2: Convert to fraction form
    174,723.40/261,858.30 = 81,029.80/x
  3. Step 3: Cross multiply
    174,723.40x = 261,858.30 × 81,029.80
  4. Step 4: Simplify right side
    174,723.40x = 21,218,325,677.34
  5. Step 5: Solve for x
    x = 21,218,325,677.34/174,723.40
  6. Step 6: Final answer
    x = 121,439.52

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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.