Home / 140,511.36-210,765.92-57,347.04

Finding the Fourth Proportional to 140,511.36, 210,765.92 and 57,347.04

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Solution

The fourth proportional to 140,511.36, 210,765.92 and 57,347.04 is: 86,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,511.36 : 210,765.92 = 57,347.04 : x
  2. Step 2: Convert to fraction form
    140,511.36/210,765.92 = 57,347.04/x
  3. Step 3: Cross multiply
    140,511.36x = 210,765.92 × 57,347.04
  4. Step 4: Simplify right side
    140,511.36x = 12,086,801,644.88
  5. Step 5: Solve for x
    x = 12,086,801,644.88/140,511.36
  6. Step 6: Final answer
    x = 86,020.10

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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.