Home / 140,759.04-194,224.32-80,329.80

Finding the Fourth Proportional to 140,759.04, 194,224.32 and 80,329.80

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Solution

The fourth proportional to 140,759.04, 194,224.32 and 80,329.80 is: 110,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,759.04 : 194,224.32 = 80,329.80 : x
  2. Step 2: Convert to fraction form
    140,759.04/194,224.32 = 80,329.80/x
  3. Step 3: Cross multiply
    140,759.04x = 194,224.32 × 80,329.80
  4. Step 4: Simplify right side
    140,759.04x = 15,602,000,780.74
  5. Step 5: Solve for x
    x = 15,602,000,780.74/140,759.04
  6. Step 6: Final answer
    x = 110,841.91

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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.