Home / 148,890.36-205,451.46-85,224.36

Finding the Fourth Proportional to 148,890.36, 205,451.46 and 85,224.36

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Solution

The fourth proportional to 148,890.36, 205,451.46 and 85,224.36 is: 117,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,890.36 : 205,451.46 = 85,224.36 : x
  2. Step 2: Convert to fraction form
    148,890.36/205,451.46 = 85,224.36/x
  3. Step 3: Cross multiply
    148,890.36x = 205,451.46 × 85,224.36
  4. Step 4: Simplify right side
    148,890.36x = 17,509,469,189.57
  5. Step 5: Solve for x
    x = 17,509,469,189.57/148,890.36
  6. Step 6: Final answer
    x = 117,599.75

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1.5x scale

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.