Home / 154,492.20-231,824.70-65,730.60

Finding the Fourth Proportional to 154,492.20, 231,824.70 and 65,730.60

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Solution

The fourth proportional to 154,492.20, 231,824.70 and 65,730.60 is: 98,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,492.20 : 231,824.70 = 65,730.60 : x
  2. Step 2: Convert to fraction form
    154,492.20/231,824.70 = 65,730.60/x
  3. Step 3: Cross multiply
    154,492.20x = 231,824.70 × 65,730.60
  4. Step 4: Simplify right side
    154,492.20x = 15,237,976,625.82
  5. Step 5: Solve for x
    x = 15,237,976,625.82/154,492.20
  6. Step 6: Final answer
    x = 98,632.66

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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.