Home / 189,040.29-260,876.39-104,157.35

Finding the Fourth Proportional to 189,040.29, 260,876.39 and 104,157.35

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Solution

The fourth proportional to 189,040.29, 260,876.39 and 104,157.35 is: 143,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,040.29 : 260,876.39 = 104,157.35 : x
  2. Step 2: Convert to fraction form
    189,040.29/260,876.39 = 104,157.35/x
  3. Step 3: Cross multiply
    189,040.29x = 260,876.39 × 104,157.35
  4. Step 4: Simplify right side
    189,040.29x = 27,172,193,459.97
  5. Step 5: Solve for x
    x = 27,172,193,459.97/189,040.29
  6. Step 6: Final answer
    x = 143,737.58

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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.