Home / 268,950.57-371,146.80-148,089.21

Finding the Fourth Proportional to 268,950.57, 371,146.80 and 148,089.21

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Solution

The fourth proportional to 268,950.57, 371,146.80 and 148,089.21 is: 204,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,950.57 : 371,146.80 = 148,089.21 : x
  2. Step 2: Convert to fraction form
    268,950.57/371,146.80 = 148,089.21/x
  3. Step 3: Cross multiply
    268,950.57x = 371,146.80 × 148,089.21
  4. Step 4: Simplify right side
    268,950.57x = 54,962,836,406.03
  5. Step 5: Solve for x
    x = 54,962,836,406.03/268,950.57
  6. Step 6: Final answer
    x = 204,360.36

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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.