Home / 75,999.12-113,997.18-22,690.98

Finding the Fourth Proportional to 75,999.12, 113,997.18 and 22,690.98

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Solution

The fourth proportional to 75,999.12, 113,997.18 and 22,690.98 is: 34,036.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,999.12 : 113,997.18 = 22,690.98 : x
  2. Step 2: Convert to fraction form
    75,999.12/113,997.18 = 22,690.98/x
  3. Step 3: Cross multiply
    75,999.12x = 113,997.18 × 22,690.98
  4. Step 4: Simplify right side
    75,999.12x = 2,586,707,731.44
  5. Step 5: Solve for x
    x = 2,586,707,731.44/75,999.12
  6. Step 6: Final answer
    x = 34,036.02

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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.