Home / 140,455.83-210,704.76-51,702.60

Finding the Fourth Proportional to 140,455.83, 210,704.76 and 51,702.60

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Solution

The fourth proportional to 140,455.83, 210,704.76 and 51,702.60 is: 77,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,455.83 : 210,704.76 = 51,702.60 : x
  2. Step 2: Convert to fraction form
    140,455.83/210,704.76 = 51,702.60/x
  3. Step 3: Cross multiply
    140,455.83x = 210,704.76 × 51,702.60
  4. Step 4: Simplify right side
    140,455.83x = 10,893,983,924.38
  5. Step 5: Solve for x
    x = 10,893,983,924.38/140,455.83
  6. Step 6: Final answer
    x = 77,561.64

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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.