Home / 189,379.27-261,330.46-104,497.75

Finding the Fourth Proportional to 189,379.27, 261,330.46 and 104,497.75

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Solution

The fourth proportional to 189,379.27, 261,330.46 and 104,497.75 is: 144,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,379.27 : 261,330.46 = 104,497.75 : x
  2. Step 2: Convert to fraction form
    189,379.27/261,330.46 = 104,497.75/x
  3. Step 3: Cross multiply
    189,379.27x = 261,330.46 × 104,497.75
  4. Step 4: Simplify right side
    189,379.27x = 27,308,445,076.47
  5. Step 5: Solve for x
    x = 27,308,445,076.47/189,379.27
  6. Step 6: Final answer
    x = 144,199.76

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1.5x scale

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.