Home / 127,723.04-191,241.94-71,402.75

Finding the Fourth Proportional to 127,723.04, 191,241.94 and 71,402.75

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Solution

The fourth proportional to 127,723.04, 191,241.94 and 71,402.75 is: 106,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,723.04 : 191,241.94 = 71,402.75 : x
  2. Step 2: Convert to fraction form
    127,723.04/191,241.94 = 71,402.75/x
  3. Step 3: Cross multiply
    127,723.04x = 191,241.94 × 71,402.75
  4. Step 4: Simplify right side
    127,723.04x = 13,655,200,248.07
  5. Step 5: Solve for x
    x = 13,655,200,248.07/127,723.04
  6. Step 6: Final answer
    x = 106,912.58

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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.