Home / 134,178.65-185,163.37-72,923.38

Finding the Fourth Proportional to 134,178.65, 185,163.37 and 72,923.38

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Solution

The fourth proportional to 134,178.65, 185,163.37 and 72,923.38 is: 100,632.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,178.65 : 185,163.37 = 72,923.38 : x
  2. Step 2: Convert to fraction form
    134,178.65/185,163.37 = 72,923.38/x
  3. Step 3: Cross multiply
    134,178.65x = 185,163.37 × 72,923.38
  4. Step 4: Simplify right side
    134,178.65x = 13,502,738,147.37
  5. Step 5: Solve for x
    x = 13,502,738,147.37/134,178.65
  6. Step 6: Final answer
    x = 100,632.54

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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.