Home / 189,066.07-260,916.75-104,188.60

Finding the Fourth Proportional to 189,066.07, 260,916.75 and 104,188.60

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Solution

The fourth proportional to 189,066.07, 260,916.75 and 104,188.60 is: 143,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,066.07 : 260,916.75 = 104,188.60 : x
  2. Step 2: Convert to fraction form
    189,066.07/260,916.75 = 104,188.60/x
  3. Step 3: Cross multiply
    189,066.07x = 260,916.75 × 104,188.60
  4. Step 4: Simplify right side
    189,066.07x = 27,184,550,899.05
  5. Step 5: Solve for x
    x = 27,184,550,899.05/189,066.07
  6. Step 6: Final answer
    x = 143,783.34

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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.