Home / 130,112.80-195,169.20-100,588.30

Finding the Fourth Proportional to 130,112.80, 195,169.20 and 100,588.30

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Solution

The fourth proportional to 130,112.80, 195,169.20 and 100,588.30 is: 150,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,112.80 : 195,169.20 = 100,588.30 : x
  2. Step 2: Convert to fraction form
    130,112.80/195,169.20 = 100,588.30/x
  3. Step 3: Cross multiply
    130,112.80x = 195,169.20 × 100,588.30
  4. Step 4: Simplify right side
    130,112.80x = 19,631,738,040.36
  5. Step 5: Solve for x
    x = 19,631,738,040.36/130,112.80
  6. Step 6: Final answer
    x = 150,882.45

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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.