Home / 147,554.63-203,625.38-80,486.63

Finding the Fourth Proportional to 147,554.63, 203,625.38 and 80,486.63

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Solution

The fourth proportional to 147,554.63, 203,625.38 and 80,486.63 is: 111,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,554.63 : 203,625.38 = 80,486.63 : x
  2. Step 2: Convert to fraction form
    147,554.63/203,625.38 = 80,486.63/x
  3. Step 3: Cross multiply
    147,554.63x = 203,625.38 × 80,486.63
  4. Step 4: Simplify right side
    147,554.63x = 16,389,120,618.67
  5. Step 5: Solve for x
    x = 16,389,120,618.67/147,554.63
  6. Step 6: Final answer
    x = 111,071.54

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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.