Home / 98,001.90-135,238.82-55,561.95

Finding the Fourth Proportional to 98,001.90, 135,238.82 and 55,561.95

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Solution

The fourth proportional to 98,001.90, 135,238.82 and 55,561.95 is: 76,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,001.90 : 135,238.82 = 55,561.95 : x
  2. Step 2: Convert to fraction form
    98,001.90/135,238.82 = 55,561.95/x
  3. Step 3: Cross multiply
    98,001.90x = 135,238.82 × 55,561.95
  4. Step 4: Simplify right side
    98,001.90x = 7,514,132,277.09
  5. Step 5: Solve for x
    x = 7,514,132,277.09/98,001.90
  6. Step 6: Final answer
    x = 76,673.33

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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.