Home / 130,228.20-195,342.30-36,721.80

Finding the Fourth Proportional to 130,228.20, 195,342.30 and 36,721.80

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Solution

The fourth proportional to 130,228.20, 195,342.30 and 36,721.80 is: 55,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,228.20 : 195,342.30 = 36,721.80 : x
  2. Step 2: Convert to fraction form
    130,228.20/195,342.30 = 36,721.80/x
  3. Step 3: Cross multiply
    130,228.20x = 195,342.30 × 36,721.80
  4. Step 4: Simplify right side
    130,228.20x = 7,173,320,872.14
  5. Step 5: Solve for x
    x = 7,173,320,872.14/130,228.20
  6. Step 6: Final answer
    x = 55,082.70

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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.