Home / 98,889.30-148,290.75-28,767.06

Finding the Fourth Proportional to 98,889.30, 148,290.75 and 28,767.06

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Solution

The fourth proportional to 98,889.30, 148,290.75 and 28,767.06 is: 43,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,889.30 : 148,290.75 = 28,767.06 : x
  2. Step 2: Convert to fraction form
    98,889.30/148,290.75 = 28,767.06/x
  3. Step 3: Cross multiply
    98,889.30x = 148,290.75 × 28,767.06
  4. Step 4: Simplify right side
    98,889.30x = 4,265,888,902.70
  5. Step 5: Solve for x
    x = 4,265,888,902.70/98,889.30
  6. Step 6: Final answer
    x = 43,138.02

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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.