Home / 98,975.04-148,481.04-39,815.28

Finding the Fourth Proportional to 98,975.04, 148,481.04 and 39,815.28

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Solution

The fourth proportional to 98,975.04, 148,481.04 and 39,815.28 is: 59,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,975.04 : 148,481.04 = 39,815.28 : x
  2. Step 2: Convert to fraction form
    98,975.04/148,481.04 = 39,815.28/x
  3. Step 3: Cross multiply
    98,975.04x = 148,481.04 × 39,815.28
  4. Step 4: Simplify right side
    98,975.04x = 5,911,814,182.29
  5. Step 5: Solve for x
    x = 5,911,814,182.29/98,975.04
  6. Step 6: Final answer
    x = 59,730.35

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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.