Home / 203,380.08-280,659.76-117,339.32

Finding the Fourth Proportional to 203,380.08, 280,659.76 and 117,339.32

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Solution

The fourth proportional to 203,380.08, 280,659.76 and 117,339.32 is: 161,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,380.08 : 280,659.76 = 117,339.32 : x
  2. Step 2: Convert to fraction form
    203,380.08/280,659.76 = 117,339.32/x
  3. Step 3: Cross multiply
    203,380.08x = 280,659.76 × 117,339.32
  4. Step 4: Simplify right side
    203,380.08x = 32,932,425,389.76
  5. Step 5: Solve for x
    x = 32,932,425,389.76/203,380.08
  6. Step 6: Final answer
    x = 161,925.52

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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.