Home / 154,539.42-231,199.20-117,204.90

Finding the Fourth Proportional to 154,539.42, 231,199.20 and 117,204.90

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Solution

The fourth proportional to 154,539.42, 231,199.20 and 117,204.90 is: 175,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,539.42 : 231,199.20 = 117,204.90 : x
  2. Step 2: Convert to fraction form
    154,539.42/231,199.20 = 117,204.90/x
  3. Step 3: Cross multiply
    154,539.42x = 231,199.20 × 117,204.90
  4. Step 4: Simplify right side
    154,539.42x = 27,097,679,116.08
  5. Step 5: Solve for x
    x = 27,097,679,116.08/154,539.42
  6. Step 6: Final answer
    x = 175,344.77

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1.5x scale

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.