Home / 189,005.04-260,838.78-104,122.11

Finding the Fourth Proportional to 189,005.04, 260,838.78 and 104,122.11

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Solution

The fourth proportional to 189,005.04, 260,838.78 and 104,122.11 is: 143,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,005.04 : 260,838.78 = 104,122.11 : x
  2. Step 2: Convert to fraction form
    189,005.04/260,838.78 = 104,122.11/x
  3. Step 3: Cross multiply
    189,005.04x = 260,838.78 × 104,122.11
  4. Step 4: Simplify right side
    189,005.04x = 27,159,084,143.43
  5. Step 5: Solve for x
    x = 27,159,084,143.43/189,005.04
  6. Step 6: Final answer
    x = 143,695.03

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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.