Home / 140,504.85-210,704.38-45,710.24

Finding the Fourth Proportional to 140,504.85, 210,704.38 and 45,710.24

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Solution

The fourth proportional to 140,504.85, 210,704.38 and 45,710.24 is: 68,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,504.85 : 210,704.38 = 45,710.24 : x
  2. Step 2: Convert to fraction form
    140,504.85/210,704.38 = 45,710.24/x
  3. Step 3: Cross multiply
    140,504.85x = 210,704.38 × 45,710.24
  4. Step 4: Simplify right side
    140,504.85x = 9,631,346,611.05
  5. Step 5: Solve for x
    x = 9,631,346,611.05/140,504.85
  6. Step 6: Final answer
    x = 68,548.14

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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.