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Finding the Fourth Proportional to 161,161.25, 241,846.76 and 61,322.27

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Solution

The fourth proportional to 161,161.25, 241,846.76 and 61,322.27 is: 92,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,161.25 : 241,846.76 = 61,322.27 : x
  2. Step 2: Convert to fraction form
    161,161.25/241,846.76 = 61,322.27/x
  3. Step 3: Cross multiply
    161,161.25x = 241,846.76 × 61,322.27
  4. Step 4: Simplify right side
    161,161.25x = 14,830,591,259.42
  5. Step 5: Solve for x
    x = 14,830,591,259.42/161,161.25
  6. Step 6: Final answer
    x = 92,023.31

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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.