Home / 180,147.97-248,628.92-103,665.51

Finding the Fourth Proportional to 180,147.97, 248,628.92 and 103,665.51

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Solution

The fourth proportional to 180,147.97, 248,628.92 and 103,665.51 is: 143,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,147.97 : 248,628.92 = 103,665.51 : x
  2. Step 2: Convert to fraction form
    180,147.97/248,628.92 = 103,665.51/x
  3. Step 3: Cross multiply
    180,147.97x = 248,628.92 × 103,665.51
  4. Step 4: Simplify right side
    180,147.97x = 25,774,243,872.15
  5. Step 5: Solve for x
    x = 25,774,243,872.15/180,147.97
  6. Step 6: Final answer
    x = 143,072.63

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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.