Home / 188,610.58-260,277.40-103,727.71

Finding the Fourth Proportional to 188,610.58, 260,277.40 and 103,727.71

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Solution

The fourth proportional to 188,610.58, 260,277.40 and 103,727.71 is: 143,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,610.58 : 260,277.40 = 103,727.71 : x
  2. Step 2: Convert to fraction form
    188,610.58/260,277.40 = 103,727.71/x
  3. Step 3: Cross multiply
    188,610.58x = 260,277.40 × 103,727.71
  4. Step 4: Simplify right side
    188,610.58x = 26,997,978,666.75
  5. Step 5: Solve for x
    x = 26,997,978,666.75/188,610.58
  6. Step 6: Final answer
    x = 143,141.38

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1.5x scale

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.