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Finding the Fourth Proportional to 140,468.83, 210,604.67 and 51,710.95

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Solution

The fourth proportional to 140,468.83, 210,604.67 and 51,710.95 is: 77,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,468.83 : 210,604.67 = 51,710.95 : x
  2. Step 2: Convert to fraction form
    140,468.83/210,604.67 = 51,710.95/x
  3. Step 3: Cross multiply
    140,468.83x = 210,604.67 × 51,710.95
  4. Step 4: Simplify right side
    140,468.83x = 10,890,567,560.14
  5. Step 5: Solve for x
    x = 10,890,567,560.14/140,468.83
  6. Step 6: Final answer
    x = 77,530.14

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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.