Home / 119,003.78-178,393.64-40,062.86

Finding the Fourth Proportional to 119,003.78, 178,393.64 and 40,062.86

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Solution

The fourth proportional to 119,003.78, 178,393.64 and 40,062.86 is: 60,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,003.78 : 178,393.64 = 40,062.86 : x
  2. Step 2: Convert to fraction form
    119,003.78/178,393.64 = 40,062.86/x
  3. Step 3: Cross multiply
    119,003.78x = 178,393.64 × 40,062.86
  4. Step 4: Simplify right side
    119,003.78x = 7,146,958,632.40
  5. Step 5: Solve for x
    x = 7,146,958,632.40/119,003.78
  6. Step 6: Final answer
    x = 60,056.57

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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.