Home / 269,675.90-372,145.88-148,815.60

Finding the Fourth Proportional to 269,675.90, 372,145.88 and 148,815.60

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Solution

The fourth proportional to 269,675.90, 372,145.88 and 148,815.60 is: 205,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,675.90 : 372,145.88 = 148,815.60 : x
  2. Step 2: Convert to fraction form
    269,675.90/372,145.88 = 148,815.60/x
  3. Step 3: Cross multiply
    269,675.90x = 372,145.88 × 148,815.60
  4. Step 4: Simplify right side
    269,675.90x = 55,381,111,675.65
  5. Step 5: Solve for x
    x = 55,381,111,675.65/269,675.90
  6. Step 6: Final answer
    x = 205,361.74

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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.