Home / 103,874.11-143,357.29-60,889.72

Finding the Fourth Proportional to 103,874.11, 143,357.29 and 60,889.72

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Solution

The fourth proportional to 103,874.11, 143,357.29 and 60,889.72 is: 84,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,874.11 : 143,357.29 = 60,889.72 : x
  2. Step 2: Convert to fraction form
    103,874.11/143,357.29 = 60,889.72/x
  3. Step 3: Cross multiply
    103,874.11x = 143,357.29 × 60,889.72
  4. Step 4: Simplify right side
    103,874.11x = 8,728,984,585.22
  5. Step 5: Solve for x
    x = 8,728,984,585.22/103,874.11
  6. Step 6: Final answer
    x = 84,034.27

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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.