Home / 119,135.56-178,431.16-56,849.80

Finding the Fourth Proportional to 119,135.56, 178,431.16 and 56,849.80

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Solution

The fourth proportional to 119,135.56, 178,431.16 and 56,849.80 is: 85,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,135.56 : 178,431.16 = 56,849.80 : x
  2. Step 2: Convert to fraction form
    119,135.56/178,431.16 = 56,849.80/x
  3. Step 3: Cross multiply
    119,135.56x = 178,431.16 × 56,849.80
  4. Step 4: Simplify right side
    119,135.56x = 10,143,775,759.77
  5. Step 5: Solve for x
    x = 10,143,775,759.77/119,135.56
  6. Step 6: Final answer
    x = 85,144.82

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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.