Home / 146,717.80-220,149.60-57,974.20

Finding the Fourth Proportional to 146,717.80, 220,149.60 and 57,974.20

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Solution

The fourth proportional to 146,717.80, 220,149.60 and 57,974.20 is: 86,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,717.80 : 220,149.60 = 57,974.20 : x
  2. Step 2: Convert to fraction form
    146,717.80/220,149.60 = 57,974.20/x
  3. Step 3: Cross multiply
    146,717.80x = 220,149.60 × 57,974.20
  4. Step 4: Simplify right side
    146,717.80x = 12,762,996,940.32
  5. Step 5: Solve for x
    x = 12,762,996,940.32/146,717.80
  6. Step 6: Final answer
    x = 86,990.11

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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.