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Finding the Fourth Proportional to 164,492.55, 246,720.60 and 134,858.70

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Solution

The fourth proportional to 164,492.55, 246,720.60 and 134,858.70 is: 202,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,492.55 : 246,720.60 = 134,858.70 : x
  2. Step 2: Convert to fraction form
    164,492.55/246,720.60 = 134,858.70/x
  3. Step 3: Cross multiply
    164,492.55x = 246,720.60 × 134,858.70
  4. Step 4: Simplify right side
    164,492.55x = 33,272,419,379.22
  5. Step 5: Solve for x
    x = 33,272,419,379.22/164,492.55
  6. Step 6: Final answer
    x = 202,273.11

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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.