Home / 130,660.36-195,989.82-47,554.36

Finding the Fourth Proportional to 130,660.36, 195,989.82 and 47,554.36

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Solution

The fourth proportional to 130,660.36, 195,989.82 and 47,554.36 is: 71,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,660.36 : 195,989.82 = 47,554.36 : x
  2. Step 2: Convert to fraction form
    130,660.36/195,989.82 = 47,554.36/x
  3. Step 3: Cross multiply
    130,660.36x = 195,989.82 × 47,554.36
  4. Step 4: Simplify right side
    130,660.36x = 9,320,170,456.62
  5. Step 5: Solve for x
    x = 9,320,170,456.62/130,660.36
  6. Step 6: Final answer
    x = 71,331.28

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1.5x scale

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.