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Finding the Fourth Proportional to 140,150.66, 210,101.00 and 51,383.48

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Solution

The fourth proportional to 140,150.66, 210,101.00 and 51,383.48 is: 77,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,150.66 : 210,101.00 = 51,383.48 : x
  2. Step 2: Convert to fraction form
    140,150.66/210,101.00 = 51,383.48/x
  3. Step 3: Cross multiply
    140,150.66x = 210,101.00 × 51,383.48
  4. Step 4: Simplify right side
    140,150.66x = 10,795,721,185.19
  5. Step 5: Solve for x
    x = 10,795,721,185.19/140,150.66
  6. Step 6: Final answer
    x = 77,029.40

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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.