Home / 189,719.52-261,828.48-104,838

Finding the Fourth Proportional to 189,719.52, 261,828.48 and 104,838

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Solution

The fourth proportional to 189,719.52, 261,828.48 and 104,838 is: 144,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,719.52 : 261,828.48 = 104,838 : x
  2. Step 2: Convert to fraction form
    189,719.52/261,828.48 = 104,838/x
  3. Step 3: Cross multiply
    189,719.52x = 261,828.48 × 104,838
  4. Step 4: Simplify right side
    189,719.52x = 27,449,574,186.24
  5. Step 5: Solve for x
    x = 27,449,574,186.24/189,719.52
  6. Step 6: Final answer
    x = 144,685.03

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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.