Home / 189,062.07-260,904.40-104,179.15

Finding the Fourth Proportional to 189,062.07, 260,904.40 and 104,179.15

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Solution

The fourth proportional to 189,062.07, 260,904.40 and 104,179.15 is: 143,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,062.07 : 260,904.40 = 104,179.15 : x
  2. Step 2: Convert to fraction form
    189,062.07/260,904.40 = 104,179.15/x
  3. Step 3: Cross multiply
    189,062.07x = 260,904.40 × 104,179.15
  4. Step 4: Simplify right side
    189,062.07x = 27,180,798,623.26
  5. Step 5: Solve for x
    x = 27,180,798,623.26/189,062.07
  6. Step 6: Final answer
    x = 143,766.53

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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.