Home / 189,727.03-261,813-104,838.63

Finding the Fourth Proportional to 189,727.03, 261,813 and 104,838.63

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Solution

The fourth proportional to 189,727.03, 261,813 and 104,838.63 is: 144,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,727.03 : 261,813 = 104,838.63 : x
  2. Step 2: Convert to fraction form
    189,727.03/261,813 = 104,838.63/x
  3. Step 3: Cross multiply
    189,727.03x = 261,813 × 104,838.63
  4. Step 4: Simplify right side
    189,727.03x = 27,448,116,236.19
  5. Step 5: Solve for x
    x = 27,448,116,236.19/189,727.03
  6. Step 6: Final answer
    x = 144,671.62

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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.