Home / 98,329.03-135,693.07-54,720.84

Finding the Fourth Proportional to 98,329.03, 135,693.07 and 54,720.84

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Solution

The fourth proportional to 98,329.03, 135,693.07 and 54,720.84 is: 75,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,329.03 : 135,693.07 = 54,720.84 : x
  2. Step 2: Convert to fraction form
    98,329.03/135,693.07 = 54,720.84/x
  3. Step 3: Cross multiply
    98,329.03x = 135,693.07 × 54,720.84
  4. Step 4: Simplify right side
    98,329.03x = 7,425,238,296.54
  5. Step 5: Solve for x
    x = 7,425,238,296.54/98,329.03
  6. Step 6: Final answer
    x = 75,514.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.