Home / 146,128.80-219,193.20-47,632.80

Finding the Fourth Proportional to 146,128.80, 219,193.20 and 47,632.80

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Solution

The fourth proportional to 146,128.80, 219,193.20 and 47,632.80 is: 71,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,128.80 : 219,193.20 = 47,632.80 : x
  2. Step 2: Convert to fraction form
    146,128.80/219,193.20 = 47,632.80/x
  3. Step 3: Cross multiply
    146,128.80x = 219,193.20 × 47,632.80
  4. Step 4: Simplify right side
    146,128.80x = 10,440,785,856.96
  5. Step 5: Solve for x
    x = 10,440,785,856.96/146,128.80
  6. Step 6: Final answer
    x = 71,449.20

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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.