Home / 140,608.52-194,039.76-76,946.32

Finding the Fourth Proportional to 140,608.52, 194,039.76 and 76,946.32

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Solution

The fourth proportional to 140,608.52, 194,039.76 and 76,946.32 is: 106,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,608.52 : 194,039.76 = 76,946.32 : x
  2. Step 2: Convert to fraction form
    140,608.52/194,039.76 = 76,946.32/x
  3. Step 3: Cross multiply
    140,608.52x = 194,039.76 × 76,946.32
  4. Step 4: Simplify right side
    140,608.52x = 14,930,645,465.68
  5. Step 5: Solve for x
    x = 14,930,645,465.68/140,608.52
  6. Step 6: Final answer
    x = 106,185.92

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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.