Home / 143,252.90-214,878.27-38,079.26

Finding the Fourth Proportional to 143,252.90, 214,878.27 and 38,079.26

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Solution

The fourth proportional to 143,252.90, 214,878.27 and 38,079.26 is: 57,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,252.90 : 214,878.27 = 38,079.26 : x
  2. Step 2: Convert to fraction form
    143,252.90/214,878.27 = 38,079.26/x
  3. Step 3: Cross multiply
    143,252.90x = 214,878.27 × 38,079.26
  4. Step 4: Simplify right side
    143,252.90x = 8,182,405,511.68
  5. Step 5: Solve for x
    x = 8,182,405,511.68/143,252.90
  6. Step 6: Final answer
    x = 57,118.60

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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.