Home / 147,185.54-203,062.89-83,486.43

Finding the Fourth Proportional to 147,185.54, 203,062.89 and 83,486.43

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Solution

The fourth proportional to 147,185.54, 203,062.89 and 83,486.43 is: 115,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,185.54 : 203,062.89 = 83,486.43 : x
  2. Step 2: Convert to fraction form
    147,185.54/203,062.89 = 83,486.43/x
  3. Step 3: Cross multiply
    147,185.54x = 203,062.89 × 83,486.43
  4. Step 4: Simplify right side
    147,185.54x = 16,952,995,751.58
  5. Step 5: Solve for x
    x = 16,952,995,751.58/147,185.54
  6. Step 6: Final answer
    x = 115,181.13

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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.