Home / 128,927.20-193,333.20-50,015.20

Finding the Fourth Proportional to 128,927.20, 193,333.20 and 50,015.20

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Solution

The fourth proportional to 128,927.20, 193,333.20 and 50,015.20 is: 75,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,927.20 : 193,333.20 = 50,015.20 : x
  2. Step 2: Convert to fraction form
    128,927.20/193,333.20 = 50,015.20/x
  3. Step 3: Cross multiply
    128,927.20x = 193,333.20 × 50,015.20
  4. Step 4: Simplify right side
    128,927.20x = 9,669,598,664.64
  5. Step 5: Solve for x
    x = 9,669,598,664.64/128,927.20
  6. Step 6: Final answer
    x = 75,000.46

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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.