Home / 130,905.53-196,362.56-36,142.82

Finding the Fourth Proportional to 130,905.53, 196,362.56 and 36,142.82

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Solution

The fourth proportional to 130,905.53, 196,362.56 and 36,142.82 is: 54,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,905.53 : 196,362.56 = 36,142.82 : x
  2. Step 2: Convert to fraction form
    130,905.53/196,362.56 = 36,142.82/x
  3. Step 3: Cross multiply
    130,905.53x = 196,362.56 × 36,142.82
  4. Step 4: Simplify right side
    130,905.53x = 7,097,096,660.82
  5. Step 5: Solve for x
    x = 7,097,096,660.82/130,905.53
  6. Step 6: Final answer
    x = 54,215.41

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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.