Home / 140,516.88-210,858.48-51,832.72

Finding the Fourth Proportional to 140,516.88, 210,858.48 and 51,832.72

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Solution

The fourth proportional to 140,516.88, 210,858.48 and 51,832.72 is: 77,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,516.88 : 210,858.48 = 51,832.72 : x
  2. Step 2: Convert to fraction form
    140,516.88/210,858.48 = 51,832.72/x
  3. Step 3: Cross multiply
    140,516.88x = 210,858.48 × 51,832.72
  4. Step 4: Simplify right side
    140,516.88x = 10,929,368,553.47
  5. Step 5: Solve for x
    x = 10,929,368,553.47/140,516.88
  6. Step 6: Final answer
    x = 77,779.76

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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.