Home / 140,779.72-211,015.98-51,958.36

Finding the Fourth Proportional to 140,779.72, 211,015.98 and 51,958.36

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Solution

The fourth proportional to 140,779.72, 211,015.98 and 51,958.36 is: 77,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,779.72 : 211,015.98 = 51,958.36 : x
  2. Step 2: Convert to fraction form
    140,779.72/211,015.98 = 51,958.36/x
  3. Step 3: Cross multiply
    140,779.72x = 211,015.98 × 51,958.36
  4. Step 4: Simplify right side
    140,779.72x = 10,964,044,254.59
  5. Step 5: Solve for x
    x = 10,964,044,254.59/140,779.72
  6. Step 6: Final answer
    x = 77,880.85

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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.