Home / 199,479.04-298,960.03-81,012.76

Finding the Fourth Proportional to 199,479.04, 298,960.03 and 81,012.76

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Solution

The fourth proportional to 199,479.04, 298,960.03 and 81,012.76 is: 121,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,479.04 : 298,960.03 = 81,012.76 : x
  2. Step 2: Convert to fraction form
    199,479.04/298,960.03 = 81,012.76/x
  3. Step 3: Cross multiply
    199,479.04x = 298,960.03 × 81,012.76
  4. Step 4: Simplify right side
    199,479.04x = 24,219,577,159.98
  5. Step 5: Solve for x
    x = 24,219,577,159.98/199,479.04
  6. Step 6: Final answer
    x = 121,414.15

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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.