Home / 140,455.38-210,704.06-51,702.14

Finding the Fourth Proportional to 140,455.38, 210,704.06 and 51,702.14

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Solution

The fourth proportional to 140,455.38, 210,704.06 and 51,702.14 is: 77,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,455.38 : 210,704.06 = 51,702.14 : x
  2. Step 2: Convert to fraction form
    140,455.38/210,704.06 = 51,702.14/x
  3. Step 3: Cross multiply
    140,455.38x = 210,704.06 × 51,702.14
  4. Step 4: Simplify right side
    140,455.38x = 10,893,850,808.69
  5. Step 5: Solve for x
    x = 10,893,850,808.69/140,455.38
  6. Step 6: Final answer
    x = 77,560.94

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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.