Home / 149,153.24-205,831.88-82,085.24

Finding the Fourth Proportional to 149,153.24, 205,831.88 and 82,085.24

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Solution

The fourth proportional to 149,153.24, 205,831.88 and 82,085.24 is: 113,277.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,153.24 : 205,831.88 = 82,085.24 : x
  2. Step 2: Convert to fraction form
    149,153.24/205,831.88 = 82,085.24/x
  3. Step 3: Cross multiply
    149,153.24x = 205,831.88 × 82,085.24
  4. Step 4: Simplify right side
    149,153.24x = 16,895,759,269.45
  5. Step 5: Solve for x
    x = 16,895,759,269.45/149,153.24
  6. Step 6: Final answer
    x = 113,277.86

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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.