Home / 149,029.54-205,588.43-88,557.37

Finding the Fourth Proportional to 149,029.54, 205,588.43 and 88,557.37

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Solution

The fourth proportional to 149,029.54, 205,588.43 and 88,557.37 is: 122,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,029.54 : 205,588.43 = 88,557.37 : x
  2. Step 2: Convert to fraction form
    149,029.54/205,588.43 = 88,557.37/x
  3. Step 3: Cross multiply
    149,029.54x = 205,588.43 × 88,557.37
  4. Step 4: Simplify right side
    149,029.54x = 18,206,370,038.56
  5. Step 5: Solve for x
    x = 18,206,370,038.56/149,029.54
  6. Step 6: Final answer
    x = 122,166.18

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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.