Home / 189,188.52-261,081.92-104,308.60

Finding the Fourth Proportional to 189,188.52, 261,081.92 and 104,308.60

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Solution

The fourth proportional to 189,188.52, 261,081.92 and 104,308.60 is: 143,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,188.52 : 261,081.92 = 104,308.60 : x
  2. Step 2: Convert to fraction form
    189,188.52/261,081.92 = 104,308.60/x
  3. Step 3: Cross multiply
    189,188.52x = 261,081.92 × 104,308.60
  4. Step 4: Simplify right side
    189,188.52x = 27,233,089,560.51
  5. Step 5: Solve for x
    x = 27,233,089,560.51/189,188.52
  6. Step 6: Final answer
    x = 143,946.84

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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.