Home / 98,717.76-148,080.69-82,194.30

Finding the Fourth Proportional to 98,717.76, 148,080.69 and 82,194.30

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Solution

The fourth proportional to 98,717.76, 148,080.69 and 82,194.30 is: 123,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,717.76 : 148,080.69 = 82,194.30 : x
  2. Step 2: Convert to fraction form
    98,717.76/148,080.69 = 82,194.30/x
  3. Step 3: Cross multiply
    98,717.76x = 148,080.69 × 82,194.30
  4. Step 4: Simplify right side
    98,717.76x = 12,171,388,658.07
  5. Step 5: Solve for x
    x = 12,171,388,658.07/98,717.76
  6. Step 6: Final answer
    x = 123,294.82

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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.