Home / 146,529.80-219,794.70-130,200.20

Finding the Fourth Proportional to 146,529.80, 219,794.70 and 130,200.20

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Solution

The fourth proportional to 146,529.80, 219,794.70 and 130,200.20 is: 195,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,529.80 : 219,794.70 = 130,200.20 : x
  2. Step 2: Convert to fraction form
    146,529.80/219,794.70 = 130,200.20/x
  3. Step 3: Cross multiply
    146,529.80x = 219,794.70 × 130,200.20
  4. Step 4: Simplify right side
    146,529.80x = 28,617,313,898.94
  5. Step 5: Solve for x
    x = 28,617,313,898.94/146,529.80
  6. Step 6: Final answer
    x = 195,300.30

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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.