Home / 130,113.80-195,170.70-100,589.30

Finding the Fourth Proportional to 130,113.80, 195,170.70 and 100,589.30

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Solution

The fourth proportional to 130,113.80, 195,170.70 and 100,589.30 is: 150,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,113.80 : 195,170.70 = 100,589.30 : x
  2. Step 2: Convert to fraction form
    130,113.80/195,170.70 = 100,589.30/x
  3. Step 3: Cross multiply
    130,113.80x = 195,170.70 × 100,589.30
  4. Step 4: Simplify right side
    130,113.80x = 19,632,084,093.51
  5. Step 5: Solve for x
    x = 19,632,084,093.51/130,113.80
  6. Step 6: Final answer
    x = 150,883.95

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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.