Home / 210,198.24-314,733.60-131,155.20

Finding the Fourth Proportional to 210,198.24, 314,733.60 and 131,155.20

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Solution

The fourth proportional to 210,198.24, 314,733.60 and 131,155.20 is: 196,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,198.24 : 314,733.60 = 131,155.20 : x
  2. Step 2: Convert to fraction form
    210,198.24/314,733.60 = 131,155.20/x
  3. Step 3: Cross multiply
    210,198.24x = 314,733.60 × 131,155.20
  4. Step 4: Simplify right side
    210,198.24x = 41,278,948,254.72
  5. Step 5: Solve for x
    x = 41,278,948,254.72/210,198.24
  6. Step 6: Final answer
    x = 196,381.04

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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.