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Finding the Fourth Proportional to 156,352, 234,528 and 68,800

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Solution

The fourth proportional to 156,352, 234,528 and 68,800 is: 103,200

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,352 : 234,528 = 68,800 : x
  2. Step 2: Convert to fraction form
    156,352/234,528 = 68,800/x
  3. Step 3: Cross multiply
    156,352x = 234,528 × 68,800
  4. Step 4: Simplify right side
    156,352x = 16,135,526,400
  5. Step 5: Solve for x
    x = 16,135,526,400/156,352
  6. Step 6: Final answer
    x = 103,200

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.