Home / 142,968.19-214,454.12-37,786.26

Finding the Fourth Proportional to 142,968.19, 214,454.12 and 37,786.26

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Solution

The fourth proportional to 142,968.19, 214,454.12 and 37,786.26 is: 56,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,968.19 : 214,454.12 = 37,786.26 : x
  2. Step 2: Convert to fraction form
    142,968.19/214,454.12 = 37,786.26/x
  3. Step 3: Cross multiply
    142,968.19x = 214,454.12 × 37,786.26
  4. Step 4: Simplify right side
    142,968.19x = 8,103,419,136.39
  5. Step 5: Solve for x
    x = 8,103,419,136.39/142,968.19
  6. Step 6: Final answer
    x = 56,679.87

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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.