Home / 212,855.22-293,719.44-131,170.77

Finding the Fourth Proportional to 212,855.22, 293,719.44 and 131,170.77

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Solution

The fourth proportional to 212,855.22, 293,719.44 and 131,170.77 is: 181,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,855.22 : 293,719.44 = 131,170.77 : x
  2. Step 2: Convert to fraction form
    212,855.22/293,719.44 = 131,170.77/x
  3. Step 3: Cross multiply
    212,855.22x = 293,719.44 × 131,170.77
  4. Step 4: Simplify right side
    212,855.22x = 38,527,405,108.77
  5. Step 5: Solve for x
    x = 38,527,405,108.77/212,855.22
  6. Step 6: Final answer
    x = 181,002.87

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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.