Home / 203,302.12-280,571.70-122,749.24

Finding the Fourth Proportional to 203,302.12, 280,571.70 and 122,749.24

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Solution

The fourth proportional to 203,302.12, 280,571.70 and 122,749.24 is: 169,402.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,302.12 : 280,571.70 = 122,749.24 : x
  2. Step 2: Convert to fraction form
    203,302.12/280,571.70 = 122,749.24/x
  3. Step 3: Cross multiply
    203,302.12x = 280,571.70 × 122,749.24
  4. Step 4: Simplify right side
    203,302.12x = 34,439,962,940.51
  5. Step 5: Solve for x
    x = 34,439,962,940.51/203,302.12
  6. Step 6: Final answer
    x = 169,402.87

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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.