Home / 98,001.12-146,979.60-27,878.88

Finding the Fourth Proportional to 98,001.12, 146,979.60 and 27,878.88

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Solution

The fourth proportional to 98,001.12, 146,979.60 and 27,878.88 is: 41,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,001.12 : 146,979.60 = 27,878.88 : x
  2. Step 2: Convert to fraction form
    98,001.12/146,979.60 = 27,878.88/x
  3. Step 3: Cross multiply
    98,001.12x = 146,979.60 × 27,878.88
  4. Step 4: Simplify right side
    98,001.12x = 4,097,626,630.85
  5. Step 5: Solve for x
    x = 4,097,626,630.85/98,001.12
  6. Step 6: Final answer
    x = 41,812.04

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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.