Home / 202,200.35-279,034.53-111,557.04

Finding the Fourth Proportional to 202,200.35, 279,034.53 and 111,557.04

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Solution

The fourth proportional to 202,200.35, 279,034.53 and 111,557.04 is: 153,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,200.35 : 279,034.53 = 111,557.04 : x
  2. Step 2: Convert to fraction form
    202,200.35/279,034.53 = 111,557.04/x
  3. Step 3: Cross multiply
    202,200.35x = 279,034.53 × 111,557.04
  4. Step 4: Simplify right side
    202,200.35x = 31,128,266,224.59
  5. Step 5: Solve for x
    x = 31,128,266,224.59/202,200.35
  6. Step 6: Final answer
    x = 153,947.64

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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.