Home / 202,918.89-280,036.34-112,273.39

Finding the Fourth Proportional to 202,918.89, 280,036.34 and 112,273.39

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Solution

The fourth proportional to 202,918.89, 280,036.34 and 112,273.39 is: 154,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,918.89 : 280,036.34 = 112,273.39 : x
  2. Step 2: Convert to fraction form
    202,918.89/280,036.34 = 112,273.39/x
  3. Step 3: Cross multiply
    202,918.89x = 280,036.34 × 112,273.39
  4. Step 4: Simplify right side
    202,918.89x = 31,440,629,214.99
  5. Step 5: Solve for x
    x = 31,440,629,214.99/202,918.89
  6. Step 6: Final answer
    x = 154,941.85

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1.5x scale

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.