Home / 198,943.21-298,414.63-58,690.81

Finding the Fourth Proportional to 198,943.21, 298,414.63 and 58,690.81

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Solution

The fourth proportional to 198,943.21, 298,414.63 and 58,690.81 is: 88,036.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,943.21 : 298,414.63 = 58,690.81 : x
  2. Step 2: Convert to fraction form
    198,943.21/298,414.63 = 58,690.81/x
  3. Step 3: Cross multiply
    198,943.21x = 298,414.63 × 58,690.81
  4. Step 4: Simplify right side
    198,943.21x = 17,514,196,350.55
  5. Step 5: Solve for x
    x = 17,514,196,350.55/198,943.21
  6. Step 6: Final answer
    x = 88,036.16

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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.