Home / 98,629.76-136,106.34-55,608.89

Finding the Fourth Proportional to 98,629.76, 136,106.34 and 55,608.89

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Solution

The fourth proportional to 98,629.76, 136,106.34 and 55,608.89 is: 76,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,629.76 : 136,106.34 = 55,608.89 : x
  2. Step 2: Convert to fraction form
    98,629.76/136,106.34 = 55,608.89/x
  3. Step 3: Cross multiply
    98,629.76x = 136,106.34 × 55,608.89
  4. Step 4: Simplify right side
    98,629.76x = 7,568,721,600.30
  5. Step 5: Solve for x
    x = 7,568,721,600.30/98,629.76
  6. Step 6: Final answer
    x = 76,738.72

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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.