Home / 156,492.61-234,757.27-49,839.20

Finding the Fourth Proportional to 156,492.61, 234,757.27 and 49,839.20

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Solution

The fourth proportional to 156,492.61, 234,757.27 and 49,839.20 is: 74,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,492.61 : 234,757.27 = 49,839.20 : x
  2. Step 2: Convert to fraction form
    156,492.61/234,757.27 = 49,839.20/x
  3. Step 3: Cross multiply
    156,492.61x = 234,757.27 × 49,839.20
  4. Step 4: Simplify right side
    156,492.61x = 11,700,114,299.84
  5. Step 5: Solve for x
    x = 11,700,114,299.84/156,492.61
  6. Step 6: Final answer
    x = 74,764.65

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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.