Home / 148,121.63-222,182.44-81,527.48

Finding the Fourth Proportional to 148,121.63, 222,182.44 and 81,527.48

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Solution

The fourth proportional to 148,121.63, 222,182.44 and 81,527.48 is: 122,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,121.63 : 222,182.44 = 81,527.48 : x
  2. Step 2: Convert to fraction form
    148,121.63/222,182.44 = 81,527.48/x
  3. Step 3: Cross multiply
    148,121.63x = 222,182.44 × 81,527.48
  4. Step 4: Simplify right side
    148,121.63x = 18,113,973,322.54
  5. Step 5: Solve for x
    x = 18,113,973,322.54/148,121.63
  6. Step 6: Final answer
    x = 122,291.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.