Home / 143,185.26-197,589.25-85,856.22

Finding the Fourth Proportional to 143,185.26, 197,589.25 and 85,856.22

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Solution

The fourth proportional to 143,185.26, 197,589.25 and 85,856.22 is: 118,477.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,185.26 : 197,589.25 = 85,856.22 : x
  2. Step 2: Convert to fraction form
    143,185.26/197,589.25 = 85,856.22/x
  3. Step 3: Cross multiply
    143,185.26x = 197,589.25 × 85,856.22
  4. Step 4: Simplify right side
    143,185.26x = 16,964,266,117.64
  5. Step 5: Solve for x
    x = 16,964,266,117.64/143,185.26
  6. Step 6: Final answer
    x = 118,477.74

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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.