Home / 122,198.90-183,298.35-84,874.10

Finding the Fourth Proportional to 122,198.90, 183,298.35 and 84,874.10

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Solution

The fourth proportional to 122,198.90, 183,298.35 and 84,874.10 is: 127,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,198.90 : 183,298.35 = 84,874.10 : x
  2. Step 2: Convert to fraction form
    122,198.90/183,298.35 = 84,874.10/x
  3. Step 3: Cross multiply
    122,198.90x = 183,298.35 × 84,874.10
  4. Step 4: Simplify right side
    122,198.90x = 15,557,282,487.74
  5. Step 5: Solve for x
    x = 15,557,282,487.74/122,198.90
  6. Step 6: Final answer
    x = 127,311.15

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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.