Home / 147,571.45-203,647.66-83,909.25

Finding the Fourth Proportional to 147,571.45, 203,647.66 and 83,909.25

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Solution

The fourth proportional to 147,571.45, 203,647.66 and 83,909.25 is: 115,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,571.45 : 203,647.66 = 83,909.25 : x
  2. Step 2: Convert to fraction form
    147,571.45/203,647.66 = 83,909.25/x
  3. Step 3: Cross multiply
    147,571.45x = 203,647.66 × 83,909.25
  4. Step 4: Simplify right side
    147,571.45x = 17,087,922,205.08
  5. Step 5: Solve for x
    x = 17,087,922,205.08/147,571.45
  6. Step 6: Final answer
    x = 115,794.23

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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.