Home / 198,620.10-297,931.95-141,452.82

Finding the Fourth Proportional to 198,620.10, 297,931.95 and 141,452.82

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Solution

The fourth proportional to 198,620.10, 297,931.95 and 141,452.82 is: 212,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,620.10 : 297,931.95 = 141,452.82 : x
  2. Step 2: Convert to fraction form
    198,620.10/297,931.95 = 141,452.82/x
  3. Step 3: Cross multiply
    198,620.10x = 297,931.95 × 141,452.82
  4. Step 4: Simplify right side
    198,620.10x = 42,143,314,495.60
  5. Step 5: Solve for x
    x = 42,143,314,495.60/198,620.10
  6. Step 6: Final answer
    x = 212,180.51

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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.