Home / 102,817.54-154,239-50,187.25

Finding the Fourth Proportional to 102,817.54, 154,239 and 50,187.25

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Solution

The fourth proportional to 102,817.54, 154,239 and 50,187.25 is: 75,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,817.54 : 154,239 = 50,187.25 : x
  2. Step 2: Convert to fraction form
    102,817.54/154,239 = 50,187.25/x
  3. Step 3: Cross multiply
    102,817.54x = 154,239 × 50,187.25
  4. Step 4: Simplify right side
    102,817.54x = 7,740,831,252.75
  5. Step 5: Solve for x
    x = 7,740,831,252.75/102,817.54
  6. Step 6: Final answer
    x = 75,287.07

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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.