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Finding the Fourth Proportional to 121,362.42, 182,043.45 and 32,615.93

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Solution

The fourth proportional to 121,362.42, 182,043.45 and 32,615.93 is: 48,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,362.42 : 182,043.45 = 32,615.93 : x
  2. Step 2: Convert to fraction form
    121,362.42/182,043.45 = 32,615.93/x
  3. Step 3: Cross multiply
    121,362.42x = 182,043.45 × 32,615.93
  4. Step 4: Simplify right side
    121,362.42x = 5,937,515,511.94
  5. Step 5: Solve for x
    x = 5,937,515,511.94/121,362.42
  6. Step 6: Final answer
    x = 48,923.84

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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.