Home / 135,539.98-187,046.48-75,111.34

Finding the Fourth Proportional to 135,539.98, 187,046.48 and 75,111.34

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Solution

The fourth proportional to 135,539.98, 187,046.48 and 75,111.34 is: 103,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,539.98 : 187,046.48 = 75,111.34 : x
  2. Step 2: Convert to fraction form
    135,539.98/187,046.48 = 75,111.34/x
  3. Step 3: Cross multiply
    135,539.98x = 187,046.48 × 75,111.34
  4. Step 4: Simplify right side
    135,539.98x = 14,049,311,755.08
  5. Step 5: Solve for x
    x = 14,049,311,755.08/135,539.98
  6. Step 6: Final answer
    x = 103,654.37

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1.5x scale

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.