Home / 203,550.33-280,933.08-112,935.45

Finding the Fourth Proportional to 203,550.33, 280,933.08 and 112,935.45

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Solution

The fourth proportional to 203,550.33, 280,933.08 and 112,935.45 is: 155,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,550.33 : 280,933.08 = 112,935.45 : x
  2. Step 2: Convert to fraction form
    203,550.33/280,933.08 = 112,935.45/x
  3. Step 3: Cross multiply
    203,550.33x = 280,933.08 × 112,935.45
  4. Step 4: Simplify right side
    203,550.33x = 31,727,303,809.69
  5. Step 5: Solve for x
    x = 31,727,303,809.69/203,550.33
  6. Step 6: Final answer
    x = 155,869.58

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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.