Home / 98,984.57-136,575.05-55,964.97

Finding the Fourth Proportional to 98,984.57, 136,575.05 and 55,964.97

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Solution

The fourth proportional to 98,984.57, 136,575.05 and 55,964.97 is: 77,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,984.57 : 136,575.05 = 55,964.97 : x
  2. Step 2: Convert to fraction form
    98,984.57/136,575.05 = 55,964.97/x
  3. Step 3: Cross multiply
    98,984.57x = 136,575.05 × 55,964.97
  4. Step 4: Simplify right side
    98,984.57x = 7,643,418,296.17
  5. Step 5: Solve for x
    x = 7,643,418,296.17/98,984.57
  6. Step 6: Final answer
    x = 77,218.28

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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.