Home / 203,932.90-305,407.09-122,646.16

Finding the Fourth Proportional to 203,932.90, 305,407.09 and 122,646.16

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Solution

The fourth proportional to 203,932.90, 305,407.09 and 122,646.16 is: 183,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,932.90 : 305,407.09 = 122,646.16 : x
  2. Step 2: Convert to fraction form
    203,932.90/305,407.09 = 122,646.16/x
  3. Step 3: Cross multiply
    203,932.90x = 305,407.09 × 122,646.16
  4. Step 4: Simplify right side
    203,932.90x = 37,457,006,825.27
  5. Step 5: Solve for x
    x = 37,457,006,825.27/203,932.90
  6. Step 6: Final answer
    x = 183,673.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.