Home / 199,281.87-298,922.40-80,925.48

Finding the Fourth Proportional to 199,281.87, 298,922.40 and 80,925.48

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Solution

The fourth proportional to 199,281.87, 298,922.40 and 80,925.48 is: 121,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,281.87 : 298,922.40 = 80,925.48 : x
  2. Step 2: Convert to fraction form
    199,281.87/298,922.40 = 80,925.48/x
  3. Step 3: Cross multiply
    199,281.87x = 298,922.40 × 80,925.48
  4. Step 4: Simplify right side
    199,281.87x = 24,190,438,702.75
  5. Step 5: Solve for x
    x = 24,190,438,702.75/199,281.87
  6. Step 6: Final answer
    x = 121,388.06

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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.