Home / 98,928.48-148,393-28,809.52

Finding the Fourth Proportional to 98,928.48, 148,393 and 28,809.52

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Solution

The fourth proportional to 98,928.48, 148,393 and 28,809.52 is: 43,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,928.48 : 148,393 = 28,809.52 : x
  2. Step 2: Convert to fraction form
    98,928.48/148,393 = 28,809.52/x
  3. Step 3: Cross multiply
    98,928.48x = 148,393 × 28,809.52
  4. Step 4: Simplify right side
    98,928.48x = 4,275,131,101.36
  5. Step 5: Solve for x
    x = 4,275,131,101.36/98,928.48
  6. Step 6: Final answer
    x = 43,214.36

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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.