Home / 102,727.58-154,438.33-82,981.02

Finding the Fourth Proportional to 102,727.58, 154,438.33 and 82,981.02

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Solution

The fourth proportional to 102,727.58, 154,438.33 and 82,981.02 is: 124,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,727.58 : 154,438.33 = 82,981.02 : x
  2. Step 2: Convert to fraction form
    102,727.58/154,438.33 = 82,981.02/x
  3. Step 3: Cross multiply
    102,727.58x = 154,438.33 × 82,981.02
  4. Step 4: Simplify right side
    102,727.58x = 12,815,450,150.50
  5. Step 5: Solve for x
    x = 12,815,450,150.50/102,727.58
  6. Step 6: Final answer
    x = 124,751.80

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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.