Home / 189,200.72-261,096.84-104,319.20

Finding the Fourth Proportional to 189,200.72, 261,096.84 and 104,319.20

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Solution

The fourth proportional to 189,200.72, 261,096.84 and 104,319.20 is: 143,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,200.72 : 261,096.84 = 104,319.20 : x
  2. Step 2: Convert to fraction form
    189,200.72/261,096.84 = 104,319.20/x
  3. Step 3: Cross multiply
    189,200.72x = 261,096.84 × 104,319.20
  4. Step 4: Simplify right side
    189,200.72x = 27,237,413,471.33
  5. Step 5: Solve for x
    x = 27,237,413,471.33/189,200.72
  6. Step 6: Final answer
    x = 143,960.41

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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.