Home / 146,527.84-202,198.72-81,986.12

Finding the Fourth Proportional to 146,527.84, 202,198.72 and 81,986.12

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Solution

The fourth proportional to 146,527.84, 202,198.72 and 81,986.12 is: 113,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,527.84 : 202,198.72 = 81,986.12 : x
  2. Step 2: Convert to fraction form
    146,527.84/202,198.72 = 81,986.12/x
  3. Step 3: Cross multiply
    146,527.84x = 202,198.72 × 81,986.12
  4. Step 4: Simplify right side
    146,527.84x = 16,577,488,521.77
  5. Step 5: Solve for x
    x = 16,577,488,521.77/146,527.84
  6. Step 6: Final answer
    x = 113,135.42

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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.