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Finding the Fourth Proportional to 139,538.08, 192,238.32 and 96,476.32

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Solution

The fourth proportional to 139,538.08, 192,238.32 and 96,476.32 is: 132,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,538.08 : 192,238.32 = 96,476.32 : x
  2. Step 2: Convert to fraction form
    139,538.08/192,238.32 = 96,476.32/x
  3. Step 3: Cross multiply
    139,538.08x = 192,238.32 × 96,476.32
  4. Step 4: Simplify right side
    139,538.08x = 18,546,445,676.58
  5. Step 5: Solve for x
    x = 18,546,445,676.58/139,538.08
  6. Step 6: Final answer
    x = 132,913.15

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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.