Home / 135,766.86-203,679.58-40,989.18

Finding the Fourth Proportional to 135,766.86, 203,679.58 and 40,989.18

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Solution

The fourth proportional to 135,766.86, 203,679.58 and 40,989.18 is: 61,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,766.86 : 203,679.58 = 40,989.18 : x
  2. Step 2: Convert to fraction form
    135,766.86/203,679.58 = 40,989.18/x
  3. Step 3: Cross multiply
    135,766.86x = 203,679.58 × 40,989.18
  4. Step 4: Simplify right side
    135,766.86x = 8,348,658,966.94
  5. Step 5: Solve for x
    x = 8,348,658,966.94/135,766.86
  6. Step 6: Final answer
    x = 61,492.61

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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.