Home / 197,073.81-295,832.25-78,828.39

Finding the Fourth Proportional to 197,073.81, 295,832.25 and 78,828.39

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Solution

The fourth proportional to 197,073.81, 295,832.25 and 78,828.39 is: 118,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,073.81 : 295,832.25 = 78,828.39 : x
  2. Step 2: Convert to fraction form
    197,073.81/295,832.25 = 78,828.39/x
  3. Step 3: Cross multiply
    197,073.81x = 295,832.25 × 78,828.39
  4. Step 4: Simplify right side
    197,073.81x = 23,319,979,977.58
  5. Step 5: Solve for x
    x = 23,319,979,977.58/197,073.81
  6. Step 6: Final answer
    x = 118,331.20

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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.