Home / 122,027.42-168,311.04-111,988.28

Finding the Fourth Proportional to 122,027.42, 168,311.04 and 111,988.28

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Solution

The fourth proportional to 122,027.42, 168,311.04 and 111,988.28 is: 154,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,027.42 : 168,311.04 = 111,988.28 : x
  2. Step 2: Convert to fraction form
    122,027.42/168,311.04 = 111,988.28/x
  3. Step 3: Cross multiply
    122,027.42x = 168,311.04 × 111,988.28
  4. Step 4: Simplify right side
    122,027.42x = 18,848,863,874.61
  5. Step 5: Solve for x
    x = 18,848,863,874.61/122,027.42
  6. Step 6: Final answer
    x = 154,464.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.