Home / 188,913.64-260,699.52-104,030

Finding the Fourth Proportional to 188,913.64, 260,699.52 and 104,030

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Solution

The fourth proportional to 188,913.64, 260,699.52 and 104,030 is: 143,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,913.64 : 260,699.52 = 104,030 : x
  2. Step 2: Convert to fraction form
    188,913.64/260,699.52 = 104,030/x
  3. Step 3: Cross multiply
    188,913.64x = 260,699.52 × 104,030
  4. Step 4: Simplify right side
    188,913.64x = 27,120,571,065.60
  5. Step 5: Solve for x
    x = 27,120,571,065.60/188,913.64
  6. Step 6: Final answer
    x = 143,560.68

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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.