Home / 189,027.60-260,869.86-104,144.64

Finding the Fourth Proportional to 189,027.60, 260,869.86 and 104,144.64

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Solution

The fourth proportional to 189,027.60, 260,869.86 and 104,144.64 is: 143,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,027.60 : 260,869.86 = 104,144.64 : x
  2. Step 2: Convert to fraction form
    189,027.60/260,869.86 = 104,144.64/x
  3. Step 3: Cross multiply
    189,027.60x = 260,869.86 × 104,144.64
  4. Step 4: Simplify right side
    189,027.60x = 27,168,197,656.55
  5. Step 5: Solve for x
    x = 27,168,197,656.55/189,027.60
  6. Step 6: Final answer
    x = 143,726.09

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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.