Home / 140,349.82-210,524.43-56,129.66

Finding the Fourth Proportional to 140,349.82, 210,524.43 and 56,129.66

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Solution

The fourth proportional to 140,349.82, 210,524.43 and 56,129.66 is: 84,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,349.82 : 210,524.43 = 56,129.66 : x
  2. Step 2: Convert to fraction form
    140,349.82/210,524.43 = 56,129.66/x
  3. Step 3: Cross multiply
    140,349.82x = 210,524.43 × 56,129.66
  4. Step 4: Simplify right side
    140,349.82x = 11,816,664,677.59
  5. Step 5: Solve for x
    x = 11,816,664,677.59/140,349.82
  6. Step 6: Final answer
    x = 84,194.37

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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.