Home / 130,113.87-195,170.82-36,619.62

Finding the Fourth Proportional to 130,113.87, 195,170.82 and 36,619.62

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Solution

The fourth proportional to 130,113.87, 195,170.82 and 36,619.62 is: 54,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,113.87 : 195,170.82 = 36,619.62 : x
  2. Step 2: Convert to fraction form
    130,113.87/195,170.82 = 36,619.62/x
  3. Step 3: Cross multiply
    130,113.87x = 195,170.82 × 36,619.62
  4. Step 4: Simplify right side
    130,113.87x = 7,147,081,263.49
  5. Step 5: Solve for x
    x = 7,147,081,263.49/130,113.87
  6. Step 6: Final answer
    x = 54,929.43

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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.