Home / 130,096.56-195,145.32-31,600.56

Finding the Fourth Proportional to 130,096.56, 195,145.32 and 31,600.56

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Solution

The fourth proportional to 130,096.56, 195,145.32 and 31,600.56 is: 47,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,096.56 : 195,145.32 = 31,600.56 : x
  2. Step 2: Convert to fraction form
    130,096.56/195,145.32 = 31,600.56/x
  3. Step 3: Cross multiply
    130,096.56x = 195,145.32 × 31,600.56
  4. Step 4: Simplify right side
    130,096.56x = 6,166,701,393.38
  5. Step 5: Solve for x
    x = 6,166,701,393.38/130,096.56
  6. Step 6: Final answer
    x = 47,400.96

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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.