Home / 199,032.18-298,671.28-80,704.54

Finding the Fourth Proportional to 199,032.18, 298,671.28 and 80,704.54

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Solution

The fourth proportional to 199,032.18, 298,671.28 and 80,704.54 is: 121,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,032.18 : 298,671.28 = 80,704.54 : x
  2. Step 2: Convert to fraction form
    199,032.18/298,671.28 = 80,704.54/x
  3. Step 3: Cross multiply
    199,032.18x = 298,671.28 × 80,704.54
  4. Step 4: Simplify right side
    199,032.18x = 24,104,128,263.61
  5. Step 5: Solve for x
    x = 24,104,128,263.61/199,032.18
  6. Step 6: Final answer
    x = 121,106.69

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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.