Home / 189,027.64-260,858.12-104,146.52

Finding the Fourth Proportional to 189,027.64, 260,858.12 and 104,146.52

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Solution

The fourth proportional to 189,027.64, 260,858.12 and 104,146.52 is: 143,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,027.64 : 260,858.12 = 104,146.52 : x
  2. Step 2: Convert to fraction form
    189,027.64/260,858.12 = 104,146.52/x
  3. Step 3: Cross multiply
    189,027.64x = 260,858.12 × 104,146.52
  4. Step 4: Simplify right side
    189,027.64x = 27,167,465,411.74
  5. Step 5: Solve for x
    x = 27,167,465,411.74/189,027.64
  6. Step 6: Final answer
    x = 143,722.18

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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.