Home / 250,191.06-345,215.16-142,758.42

Finding the Fourth Proportional to 250,191.06, 345,215.16 and 142,758.42

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Solution

The fourth proportional to 250,191.06, 345,215.16 and 142,758.42 is: 196,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,191.06 : 345,215.16 = 142,758.42 : x
  2. Step 2: Convert to fraction form
    250,191.06/345,215.16 = 142,758.42/x
  3. Step 3: Cross multiply
    250,191.06x = 345,215.16 × 142,758.42
  4. Step 4: Simplify right side
    250,191.06x = 49,282,370,801.65
  5. Step 5: Solve for x
    x = 49,282,370,801.65/250,191.06
  6. Step 6: Final answer
    x = 196,978.94

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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.