Home / 140,427.82-210,455.43-61,456.06

Finding the Fourth Proportional to 140,427.82, 210,455.43 and 61,456.06

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Solution

The fourth proportional to 140,427.82, 210,455.43 and 61,456.06 is: 92,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,427.82 : 210,455.43 = 61,456.06 : x
  2. Step 2: Convert to fraction form
    140,427.82/210,455.43 = 61,456.06/x
  3. Step 3: Cross multiply
    140,427.82x = 210,455.43 × 61,456.06
  4. Step 4: Simplify right side
    140,427.82x = 12,933,761,533.41
  5. Step 5: Solve for x
    x = 12,933,761,533.41/140,427.82
  6. Step 6: Final answer
    x = 92,102.56

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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.