Home / 109,654.40-164,487.40-30,774.77

Finding the Fourth Proportional to 109,654.40, 164,487.40 and 30,774.77

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Solution

The fourth proportional to 109,654.40, 164,487.40 and 30,774.77 is: 46,163.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,654.40 : 164,487.40 = 30,774.77 : x
  2. Step 2: Convert to fraction form
    109,654.40/164,487.40 = 30,774.77/x
  3. Step 3: Cross multiply
    109,654.40x = 164,487.40 × 30,774.77
  4. Step 4: Simplify right side
    109,654.40x = 5,062,062,465.75
  5. Step 5: Solve for x
    x = 5,062,062,465.75/109,654.40
  6. Step 6: Final answer
    x = 46,163.79

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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.