Home / 189,319.14-261,261.27-104,436.18

Finding the Fourth Proportional to 189,319.14, 261,261.27 and 104,436.18

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Solution

The fourth proportional to 189,319.14, 261,261.27 and 104,436.18 is: 144,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,319.14 : 261,261.27 = 104,436.18 : x
  2. Step 2: Convert to fraction form
    189,319.14/261,261.27 = 104,436.18/x
  3. Step 3: Cross multiply
    189,319.14x = 261,261.27 × 104,436.18
  4. Step 4: Simplify right side
    189,319.14x = 27,285,129,020.75
  5. Step 5: Solve for x
    x = 27,285,129,020.75/189,319.14
  6. Step 6: Final answer
    x = 144,122.40

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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.