Home / 149,370.09-206,036.53-88,895.58

Finding the Fourth Proportional to 149,370.09, 206,036.53 and 88,895.58

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Solution

The fourth proportional to 149,370.09, 206,036.53 and 88,895.58 is: 122,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,370.09 : 206,036.53 = 88,895.58 : x
  2. Step 2: Convert to fraction form
    149,370.09/206,036.53 = 88,895.58/x
  3. Step 3: Cross multiply
    149,370.09x = 206,036.53 × 88,895.58
  4. Step 4: Simplify right side
    149,370.09x = 18,315,736,835.54
  5. Step 5: Solve for x
    x = 18,315,736,835.54/149,370.09
  6. Step 6: Final answer
    x = 122,619.84

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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.