Home / 154,492.20-231,522.30-122,956.20

Finding the Fourth Proportional to 154,492.20, 231,522.30 and 122,956.20

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Solution

The fourth proportional to 154,492.20, 231,522.30 and 122,956.20 is: 184,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,492.20 : 231,522.30 = 122,956.20 : x
  2. Step 2: Convert to fraction form
    154,492.20/231,522.30 = 122,956.20/x
  3. Step 3: Cross multiply
    154,492.20x = 231,522.30 × 122,956.20
  4. Step 4: Simplify right side
    154,492.20x = 28,467,102,223.26
  5. Step 5: Solve for x
    x = 28,467,102,223.26/154,492.20
  6. Step 6: Final answer
    x = 184,262.39

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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.