Home / 146,973.31-202,822.32-81,561.48

Finding the Fourth Proportional to 146,973.31, 202,822.32 and 81,561.48

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Solution

The fourth proportional to 146,973.31, 202,822.32 and 81,561.48 is: 112,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,973.31 : 202,822.32 = 81,561.48 : x
  2. Step 2: Convert to fraction form
    146,973.31/202,822.32 = 81,561.48/x
  3. Step 3: Cross multiply
    146,973.31x = 202,822.32 × 81,561.48
  4. Step 4: Simplify right side
    146,973.31x = 16,542,488,596.23
  5. Step 5: Solve for x
    x = 16,542,488,596.23/146,973.31
  6. Step 6: Final answer
    x = 112,554.37

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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.