Home / 202,968.51-280,092.12-111,087.35

Finding the Fourth Proportional to 202,968.51, 280,092.12 and 111,087.35

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Solution

The fourth proportional to 202,968.51, 280,092.12 and 111,087.35 is: 153,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,968.51 : 280,092.12 = 111,087.35 : x
  2. Step 2: Convert to fraction form
    202,968.51/280,092.12 = 111,087.35/x
  3. Step 3: Cross multiply
    202,968.51x = 280,092.12 × 111,087.35
  4. Step 4: Simplify right side
    202,968.51x = 31,114,691,366.68
  5. Step 5: Solve for x
    x = 31,114,691,366.68/202,968.51
  6. Step 6: Final answer
    x = 153,298.12

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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.