Home / 189,203.22-261,099.38-104,320.35

Finding the Fourth Proportional to 189,203.22, 261,099.38 and 104,320.35

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Solution

The fourth proportional to 189,203.22, 261,099.38 and 104,320.35 is: 143,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,203.22 : 261,099.38 = 104,320.35 : x
  2. Step 2: Convert to fraction form
    189,203.22/261,099.38 = 104,320.35/x
  3. Step 3: Cross multiply
    189,203.22x = 261,099.38 × 104,320.35
  4. Step 4: Simplify right side
    189,203.22x = 27,237,978,967.18
  5. Step 5: Solve for x
    x = 27,237,978,967.18/189,203.22
  6. Step 6: Final answer
    x = 143,961.50

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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.