Home / 98,712.36-136,223.08-55,700.97

Finding the Fourth Proportional to 98,712.36, 136,223.08 and 55,700.97

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Solution

The fourth proportional to 98,712.36, 136,223.08 and 55,700.97 is: 76,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,712.36 : 136,223.08 = 55,700.97 : x
  2. Step 2: Convert to fraction form
    98,712.36/136,223.08 = 55,700.97/x
  3. Step 3: Cross multiply
    98,712.36x = 136,223.08 × 55,700.97
  4. Step 4: Simplify right side
    98,712.36x = 7,587,757,556.44
  5. Step 5: Solve for x
    x = 7,587,757,556.44/98,712.36
  6. Step 6: Final answer
    x = 76,867.35

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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.