Home / 189,070.26-260,904.66-104,187.33

Finding the Fourth Proportional to 189,070.26, 260,904.66 and 104,187.33

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Solution

The fourth proportional to 189,070.26, 260,904.66 and 104,187.33 is: 143,771.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,070.26 : 260,904.66 = 104,187.33 : x
  2. Step 2: Convert to fraction form
    189,070.26/260,904.66 = 104,187.33/x
  3. Step 3: Cross multiply
    189,070.26x = 260,904.66 × 104,187.33
  4. Step 4: Simplify right side
    189,070.26x = 27,182,959,909.96
  5. Step 5: Solve for x
    x = 27,182,959,909.96/189,070.26
  6. Step 6: Final answer
    x = 143,771.74

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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.