Home / 189,024.60-260,865.72-104,141.64

Finding the Fourth Proportional to 189,024.60, 260,865.72 and 104,141.64

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Solution

The fourth proportional to 189,024.60, 260,865.72 and 104,141.64 is: 143,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,024.60 : 260,865.72 = 104,141.64 : x
  2. Step 2: Convert to fraction form
    189,024.60/260,865.72 = 104,141.64/x
  3. Step 3: Cross multiply
    189,024.60x = 260,865.72 × 104,141.64
  4. Step 4: Simplify right side
    189,024.60x = 27,166,983,900.58
  5. Step 5: Solve for x
    x = 27,166,983,900.58/189,024.60
  6. Step 6: Final answer
    x = 143,721.95

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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.