Home / 202,025.14-278,796.67-111,384.65

Finding the Fourth Proportional to 202,025.14, 278,796.67 and 111,384.65

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Solution

The fourth proportional to 202,025.14, 278,796.67 and 111,384.65 is: 153,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,025.14 : 278,796.67 = 111,384.65 : x
  2. Step 2: Convert to fraction form
    202,025.14/278,796.67 = 111,384.65/x
  3. Step 3: Cross multiply
    202,025.14x = 278,796.67 × 111,384.65
  4. Step 4: Simplify right side
    202,025.14x = 31,053,669,927.65
  5. Step 5: Solve for x
    x = 31,053,669,927.65/202,025.14
  6. Step 6: Final answer
    x = 153,711.91

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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.