Home / 130,091.12-195,202.29-51,261.92

Finding the Fourth Proportional to 130,091.12, 195,202.29 and 51,261.92

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Solution

The fourth proportional to 130,091.12, 195,202.29 and 51,261.92 is: 76,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,091.12 : 195,202.29 = 51,261.92 : x
  2. Step 2: Convert to fraction form
    130,091.12/195,202.29 = 51,261.92/x
  3. Step 3: Cross multiply
    130,091.12x = 195,202.29 × 51,261.92
  4. Step 4: Simplify right side
    130,091.12x = 10,006,444,173.80
  5. Step 5: Solve for x
    x = 10,006,444,173.80/130,091.12
  6. Step 6: Final answer
    x = 76,918.73

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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.