Home / 189,064.07-260,913.99-104,186.60

Finding the Fourth Proportional to 189,064.07, 260,913.99 and 104,186.60

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Solution

The fourth proportional to 189,064.07, 260,913.99 and 104,186.60 is: 143,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,064.07 : 260,913.99 = 104,186.60 : x
  2. Step 2: Convert to fraction form
    189,064.07/260,913.99 = 104,186.60/x
  3. Step 3: Cross multiply
    189,064.07x = 260,913.99 × 104,186.60
  4. Step 4: Simplify right side
    189,064.07x = 27,183,741,510.53
  5. Step 5: Solve for x
    x = 27,183,741,510.53/189,064.07
  6. Step 6: Final answer
    x = 143,780.58

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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.