Home / 189,223.44-261,122.76-104,340.48

Finding the Fourth Proportional to 189,223.44, 261,122.76 and 104,340.48

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Solution

The fourth proportional to 189,223.44, 261,122.76 and 104,340.48 is: 143,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,223.44 : 261,122.76 = 104,340.48 : x
  2. Step 2: Convert to fraction form
    189,223.44/261,122.76 = 104,340.48/x
  3. Step 3: Cross multiply
    189,223.44x = 261,122.76 × 104,340.48
  4. Step 4: Simplify right side
    189,223.44x = 27,245,674,117.32
  5. Step 5: Solve for x
    x = 27,245,674,117.32/189,223.44
  6. Step 6: Final answer
    x = 143,986.78

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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.