Home / 141,106.89-194,727.58-80,678.73

Finding the Fourth Proportional to 141,106.89, 194,727.58 and 80,678.73

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Solution

The fourth proportional to 141,106.89, 194,727.58 and 80,678.73 is: 111,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,106.89 : 194,727.58 = 80,678.73 : x
  2. Step 2: Convert to fraction form
    141,106.89/194,727.58 = 80,678.73/x
  3. Step 3: Cross multiply
    141,106.89x = 194,727.58 × 80,678.73
  4. Step 4: Simplify right side
    141,106.89x = 15,710,374,378.91
  5. Step 5: Solve for x
    x = 15,710,374,378.91/141,106.89
  6. Step 6: Final answer
    x = 111,336.69

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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.