Home / 199,247.46-298,875.30-80,837.82

Finding the Fourth Proportional to 199,247.46, 298,875.30 and 80,837.82

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Solution

The fourth proportional to 199,247.46, 298,875.30 and 80,837.82 is: 121,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,247.46 : 298,875.30 = 80,837.82 : x
  2. Step 2: Convert to fraction form
    199,247.46/298,875.30 = 80,837.82/x
  3. Step 3: Cross multiply
    199,247.46x = 298,875.30 × 80,837.82
  4. Step 4: Simplify right side
    199,247.46x = 24,160,427,703.85
  5. Step 5: Solve for x
    x = 24,160,427,703.85/199,247.46
  6. Step 6: Final answer
    x = 121,258.40

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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.