Home / 140,625.36-210,971.88-57,519.60

Finding the Fourth Proportional to 140,625.36, 210,971.88 and 57,519.60

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Solution

The fourth proportional to 140,625.36, 210,971.88 and 57,519.60 is: 86,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,625.36 : 210,971.88 = 57,519.60 : x
  2. Step 2: Convert to fraction form
    140,625.36/210,971.88 = 57,519.60/x
  3. Step 3: Cross multiply
    140,625.36x = 210,971.88 × 57,519.60
  4. Step 4: Simplify right side
    140,625.36x = 12,135,018,148.85
  5. Step 5: Solve for x
    x = 12,135,018,148.85/140,625.36
  6. Step 6: Final answer
    x = 86,293.24

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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.