Home / 107,368.45-161,052.50-27,406.40

Finding the Fourth Proportional to 107,368.45, 161,052.50 and 27,406.40

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Solution

The fourth proportional to 107,368.45, 161,052.50 and 27,406.40 is: 41,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,368.45 : 161,052.50 = 27,406.40 : x
  2. Step 2: Convert to fraction form
    107,368.45/161,052.50 = 27,406.40/x
  3. Step 3: Cross multiply
    107,368.45x = 161,052.50 × 27,406.40
  4. Step 4: Simplify right side
    107,368.45x = 4,413,869,438.95
  5. Step 5: Solve for x
    x = 4,413,869,438.95/107,368.45
  6. Step 6: Final answer
    x = 41,109.56

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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.