Home / 98,880.92-148,345.68-28,760.84

Finding the Fourth Proportional to 98,880.92, 148,345.68 and 28,760.84

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Solution

The fourth proportional to 98,880.92, 148,345.68 and 28,760.84 is: 43,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,880.92 : 148,345.68 = 28,760.84 : x
  2. Step 2: Convert to fraction form
    98,880.92/148,345.68 = 28,760.84/x
  3. Step 3: Cross multiply
    98,880.92x = 148,345.68 × 28,760.84
  4. Step 4: Simplify right side
    98,880.92x = 4,266,546,367.17
  5. Step 5: Solve for x
    x = 4,266,546,367.17/98,880.92
  6. Step 6: Final answer
    x = 43,148.33

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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.