Home / 98,853.12-148,287.84-28,732.32

Finding the Fourth Proportional to 98,853.12, 148,287.84 and 28,732.32

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Solution

The fourth proportional to 98,853.12, 148,287.84 and 28,732.32 is: 43,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,853.12 : 148,287.84 = 28,732.32 : x
  2. Step 2: Convert to fraction form
    98,853.12/148,287.84 = 28,732.32/x
  3. Step 3: Cross multiply
    98,853.12x = 148,287.84 × 28,732.32
  4. Step 4: Simplify right side
    98,853.12x = 4,260,653,670.99
  5. Step 5: Solve for x
    x = 4,260,653,670.99/98,853.12
  6. Step 6: Final answer
    x = 43,100.85

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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.