Home / 137,995.76-190,467.69-84,325.97

Finding the Fourth Proportional to 137,995.76, 190,467.69 and 84,325.97

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Solution

The fourth proportional to 137,995.76, 190,467.69 and 84,325.97 is: 116,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,995.76 : 190,467.69 = 84,325.97 : x
  2. Step 2: Convert to fraction form
    137,995.76/190,467.69 = 84,325.97/x
  3. Step 3: Cross multiply
    137,995.76x = 190,467.69 × 84,325.97
  4. Step 4: Simplify right side
    137,995.76x = 16,061,372,872.86
  5. Step 5: Solve for x
    x = 16,061,372,872.86/137,995.76
  6. Step 6: Final answer
    x = 116,390.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.