Home / 203,008.22-280,144.19-112,364.36

Finding the Fourth Proportional to 203,008.22, 280,144.19 and 112,364.36

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Solution

The fourth proportional to 203,008.22, 280,144.19 and 112,364.36 is: 155,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,008.22 : 280,144.19 = 112,364.36 : x
  2. Step 2: Convert to fraction form
    203,008.22/280,144.19 = 112,364.36/x
  3. Step 3: Cross multiply
    203,008.22x = 280,144.19 × 112,364.36
  4. Step 4: Simplify right side
    203,008.22x = 31,478,221,497.26
  5. Step 5: Solve for x
    x = 31,478,221,497.26/203,008.22
  6. Step 6: Final answer
    x = 155,058.86

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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.