Home / 130,040.28-195,109.01-51,209.46

Finding the Fourth Proportional to 130,040.28, 195,109.01 and 51,209.46

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Solution

The fourth proportional to 130,040.28, 195,109.01 and 51,209.46 is: 76,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,040.28 : 195,109.01 = 51,209.46 : x
  2. Step 2: Convert to fraction form
    130,040.28/195,109.01 = 51,209.46/x
  3. Step 3: Cross multiply
    130,040.28x = 195,109.01 × 51,209.46
  4. Step 4: Simplify right side
    130,040.28x = 9,991,427,043.23
  5. Step 5: Solve for x
    x = 9,991,427,043.23/130,040.28
  6. Step 6: Final answer
    x = 76,833.32

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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.