Home / 146,975.31-202,825.08-81,563.48

Finding the Fourth Proportional to 146,975.31, 202,825.08 and 81,563.48

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Solution

The fourth proportional to 146,975.31, 202,825.08 and 81,563.48 is: 112,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,975.31 : 202,825.08 = 81,563.48 : x
  2. Step 2: Convert to fraction form
    146,975.31/202,825.08 = 81,563.48/x
  3. Step 3: Cross multiply
    146,975.31x = 202,825.08 × 81,563.48
  4. Step 4: Simplify right side
    146,975.31x = 16,543,119,356.08
  5. Step 5: Solve for x
    x = 16,543,119,356.08/146,975.31
  6. Step 6: Final answer
    x = 112,557.13

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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.