Home / 140,450.35-210,728.73-84,329.65

Finding the Fourth Proportional to 140,450.35, 210,728.73 and 84,329.65

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Solution

The fourth proportional to 140,450.35, 210,728.73 and 84,329.65 is: 126,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,450.35 : 210,728.73 = 84,329.65 : x
  2. Step 2: Convert to fraction form
    140,450.35/210,728.73 = 84,329.65/x
  3. Step 3: Cross multiply
    140,450.35x = 210,728.73 × 84,329.65
  4. Step 4: Simplify right side
    140,450.35x = 17,770,680,045.84
  5. Step 5: Solve for x
    x = 17,770,680,045.84/140,450.35
  6. Step 6: Final answer
    x = 126,526.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.