Home / 140,601.90-210,896.70-40,759.92

Finding the Fourth Proportional to 140,601.90, 210,896.70 and 40,759.92

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Solution

The fourth proportional to 140,601.90, 210,896.70 and 40,759.92 is: 61,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,601.90 : 210,896.70 = 40,759.92 : x
  2. Step 2: Convert to fraction form
    140,601.90/210,896.70 = 40,759.92/x
  3. Step 3: Cross multiply
    140,601.90x = 210,896.70 × 40,759.92
  4. Step 4: Simplify right side
    140,601.90x = 8,596,132,620.26
  5. Step 5: Solve for x
    x = 8,596,132,620.26/140,601.90
  6. Step 6: Final answer
    x = 61,138.10

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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.