Home / 203,502.33-280,834.02-112,866.75

Finding the Fourth Proportional to 203,502.33, 280,834.02 and 112,866.75

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Solution

The fourth proportional to 203,502.33, 280,834.02 and 112,866.75 is: 155,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,502.33 : 280,834.02 = 112,866.75 : x
  2. Step 2: Convert to fraction form
    203,502.33/280,834.02 = 112,866.75/x
  3. Step 3: Cross multiply
    203,502.33x = 280,834.02 × 112,866.75
  4. Step 4: Simplify right side
    203,502.33x = 31,696,823,126.84
  5. Step 5: Solve for x
    x = 31,696,823,126.84/203,502.33
  6. Step 6: Final answer
    x = 155,756.56

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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.