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Finding the Fourth Proportional to 164,447.40, 246,598.20 and 75,655.20

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Solution

The fourth proportional to 164,447.40, 246,598.20 and 75,655.20 is: 113,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,447.40 : 246,598.20 = 75,655.20 : x
  2. Step 2: Convert to fraction form
    164,447.40/246,598.20 = 75,655.20/x
  3. Step 3: Cross multiply
    164,447.40x = 246,598.20 × 75,655.20
  4. Step 4: Simplify right side
    164,447.40x = 18,656,436,140.64
  5. Step 5: Solve for x
    x = 18,656,436,140.64/164,447.40
  6. Step 6: Final answer
    x = 113,449.26

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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.