Home / 149,811.25-206,685.80-88,544.58

Finding the Fourth Proportional to 149,811.25, 206,685.80 and 88,544.58

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Solution

The fourth proportional to 149,811.25, 206,685.80 and 88,544.58 is: 122,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,811.25 : 206,685.80 = 88,544.58 : x
  2. Step 2: Convert to fraction form
    149,811.25/206,685.80 = 88,544.58/x
  3. Step 3: Cross multiply
    149,811.25x = 206,685.80 × 88,544.58
  4. Step 4: Simplify right side
    149,811.25x = 18,300,907,574.33
  5. Step 5: Solve for x
    x = 18,300,907,574.33/149,811.25
  6. Step 6: Final answer
    x = 122,159.77

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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.