Home / 345,772.87-518,534.61-146,108.73

Finding the Fourth Proportional to 345,772.87, 518,534.61 and 146,108.73

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Solution

The fourth proportional to 345,772.87, 518,534.61 and 146,108.73 is: 219,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,772.87 : 518,534.61 = 146,108.73 : x
  2. Step 2: Convert to fraction form
    345,772.87/518,534.61 = 146,108.73/x
  3. Step 3: Cross multiply
    345,772.87x = 518,534.61 × 146,108.73
  4. Step 4: Simplify right side
    345,772.87x = 75,762,432,629.85
  5. Step 5: Solve for x
    x = 75,762,432,629.85/345,772.87
  6. Step 6: Final answer
    x = 219,110.40

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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.