Home / 202,739.36-279,769.02-112,090.04

Finding the Fourth Proportional to 202,739.36, 279,769.02 and 112,090.04

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Solution

The fourth proportional to 202,739.36, 279,769.02 and 112,090.04 is: 154,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,739.36 : 279,769.02 = 112,090.04 : x
  2. Step 2: Convert to fraction form
    202,739.36/279,769.02 = 112,090.04/x
  3. Step 3: Cross multiply
    202,739.36x = 279,769.02 × 112,090.04
  4. Step 4: Simplify right side
    202,739.36x = 31,359,319,243.72
  5. Step 5: Solve for x
    x = 31,359,319,243.72/202,739.36
  6. Step 6: Final answer
    x = 154,678.01

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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.