Home / 140,542.83-210,814.65-51,757.92

Finding the Fourth Proportional to 140,542.83, 210,814.65 and 51,757.92

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Solution

The fourth proportional to 140,542.83, 210,814.65 and 51,757.92 is: 77,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,542.83 : 210,814.65 = 51,757.92 : x
  2. Step 2: Convert to fraction form
    140,542.83/210,814.65 = 51,757.92/x
  3. Step 3: Cross multiply
    140,542.83x = 210,814.65 × 51,757.92
  4. Step 4: Simplify right side
    140,542.83x = 10,911,327,789.53
  5. Step 5: Solve for x
    x = 10,911,327,789.53/140,542.83
  6. Step 6: Final answer
    x = 77,637.03

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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.