Home / 185,868.90-278,608.41-90,968.22

Finding the Fourth Proportional to 185,868.90, 278,608.41 and 90,968.22

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Solution

The fourth proportional to 185,868.90, 278,608.41 and 90,968.22 is: 136,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,868.90 : 278,608.41 = 90,968.22 : x
  2. Step 2: Convert to fraction form
    185,868.90/278,608.41 = 90,968.22/x
  3. Step 3: Cross multiply
    185,868.90x = 278,608.41 × 90,968.22
  4. Step 4: Simplify right side
    185,868.90x = 25,344,511,134.73
  5. Step 5: Solve for x
    x = 25,344,511,134.73/185,868.90
  6. Step 6: Final answer
    x = 136,356.92

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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.