Home / 143,326.95-197,786.83-82,071.15

Finding the Fourth Proportional to 143,326.95, 197,786.83 and 82,071.15

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Solution

The fourth proportional to 143,326.95, 197,786.83 and 82,071.15 is: 113,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,326.95 : 197,786.83 = 82,071.15 : x
  2. Step 2: Convert to fraction form
    143,326.95/197,786.83 = 82,071.15/x
  3. Step 3: Cross multiply
    143,326.95x = 197,786.83 × 82,071.15
  4. Step 4: Simplify right side
    143,326.95x = 16,232,592,592.95
  5. Step 5: Solve for x
    x = 16,232,592,592.95/143,326.95
  6. Step 6: Final answer
    x = 113,255.69

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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.