Home / 202,209.46-279,048.26-111,571.06

Finding the Fourth Proportional to 202,209.46, 279,048.26 and 111,571.06

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Solution

The fourth proportional to 202,209.46, 279,048.26 and 111,571.06 is: 153,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,209.46 : 279,048.26 = 111,571.06 : x
  2. Step 2: Convert to fraction form
    202,209.46/279,048.26 = 111,571.06/x
  3. Step 3: Cross multiply
    202,209.46x = 279,048.26 × 111,571.06
  4. Step 4: Simplify right side
    202,209.46x = 31,133,710,159.36
  5. Step 5: Solve for x
    x = 31,133,710,159.36/202,209.46
  6. Step 6: Final answer
    x = 153,967.63

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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.