Home / 102,986.40-154,306.80-50,282.40

Finding the Fourth Proportional to 102,986.40, 154,306.80 and 50,282.40

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Solution

The fourth proportional to 102,986.40, 154,306.80 and 50,282.40 is: 75,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,986.40 : 154,306.80 = 50,282.40 : x
  2. Step 2: Convert to fraction form
    102,986.40/154,306.80 = 50,282.40/x
  3. Step 3: Cross multiply
    102,986.40x = 154,306.80 × 50,282.40
  4. Step 4: Simplify right side
    102,986.40x = 7,758,916,240.32
  5. Step 5: Solve for x
    x = 7,758,916,240.32/102,986.40
  6. Step 6: Final answer
    x = 75,339.23

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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.