Home / 107,928.60-161,892.90-34,056.60

Finding the Fourth Proportional to 107,928.60, 161,892.90 and 34,056.60

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Solution

The fourth proportional to 107,928.60, 161,892.90 and 34,056.60 is: 51,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928.60 : 161,892.90 = 34,056.60 : x
  2. Step 2: Convert to fraction form
    107,928.60/161,892.90 = 34,056.60/x
  3. Step 3: Cross multiply
    107,928.60x = 161,892.90 × 34,056.60
  4. Step 4: Simplify right side
    107,928.60x = 5,513,521,738.14
  5. Step 5: Solve for x
    x = 5,513,521,738.14/107,928.60
  6. Step 6: Final answer
    x = 51,084.90

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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.