Home / 189,441.22-261,427.63-104,558.29

Finding the Fourth Proportional to 189,441.22, 261,427.63 and 104,558.29

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Solution

The fourth proportional to 189,441.22, 261,427.63 and 104,558.29 is: 144,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,441.22 : 261,427.63 = 104,558.29 : x
  2. Step 2: Convert to fraction form
    189,441.22/261,427.63 = 104,558.29/x
  3. Step 3: Cross multiply
    189,441.22x = 261,427.63 × 104,558.29
  4. Step 4: Simplify right side
    189,441.22x = 27,334,425,951.55
  5. Step 5: Solve for x
    x = 27,334,425,951.55/189,441.22
  6. Step 6: Final answer
    x = 144,289.75

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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.