Home / 146,739.40-219,963.30-67,715.80

Finding the Fourth Proportional to 146,739.40, 219,963.30 and 67,715.80

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Solution

The fourth proportional to 146,739.40, 219,963.30 and 67,715.80 is: 101,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739.40 : 219,963.30 = 67,715.80 : x
  2. Step 2: Convert to fraction form
    146,739.40/219,963.30 = 67,715.80/x
  3. Step 3: Cross multiply
    146,739.40x = 219,963.30 × 67,715.80
  4. Step 4: Simplify right side
    146,739.40x = 14,894,990,830.14
  5. Step 5: Solve for x
    x = 14,894,990,830.14/146,739.40
  6. Step 6: Final answer
    x = 101,506.42

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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.