Home / 189,106.24-260,966.07-104,223.28

Finding the Fourth Proportional to 189,106.24, 260,966.07 and 104,223.28

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Solution

The fourth proportional to 189,106.24, 260,966.07 and 104,223.28 is: 143,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,106.24 : 260,966.07 = 104,223.28 : x
  2. Step 2: Convert to fraction form
    189,106.24/260,966.07 = 104,223.28/x
  3. Step 3: Cross multiply
    189,106.24x = 260,966.07 × 104,223.28
  4. Step 4: Simplify right side
    189,106.24x = 27,198,739,784.11
  5. Step 5: Solve for x
    x = 27,198,739,784.11/189,106.24
  6. Step 6: Final answer
    x = 143,827.83

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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.