Home / 135,674.20-187,241.90-75,264.31

Finding the Fourth Proportional to 135,674.20, 187,241.90 and 75,264.31

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Solution

The fourth proportional to 135,674.20, 187,241.90 and 75,264.31 is: 103,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,674.20 : 187,241.90 = 75,264.31 : x
  2. Step 2: Convert to fraction form
    135,674.20/187,241.90 = 75,264.31/x
  3. Step 3: Cross multiply
    135,674.20x = 187,241.90 × 75,264.31
  4. Step 4: Simplify right side
    135,674.20x = 14,092,631,094.06
  5. Step 5: Solve for x
    x = 14,092,631,094.06/135,674.20
  6. Step 6: Final answer
    x = 103,871.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.