Home / 109,893.28-164,704.80-50,646.72

Finding the Fourth Proportional to 109,893.28, 164,704.80 and 50,646.72

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Solution

The fourth proportional to 109,893.28, 164,704.80 and 50,646.72 is: 75,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,893.28 : 164,704.80 = 50,646.72 : x
  2. Step 2: Convert to fraction form
    109,893.28/164,704.80 = 50,646.72/x
  3. Step 3: Cross multiply
    109,893.28x = 164,704.80 × 50,646.72
  4. Step 4: Simplify right side
    109,893.28x = 8,341,757,888.26
  5. Step 5: Solve for x
    x = 8,341,757,888.26/109,893.28
  6. Step 6: Final answer
    x = 75,907.81

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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.