Home / 98,360.26-135,729.75-55,910.50

Finding the Fourth Proportional to 98,360.26, 135,729.75 and 55,910.50

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Solution

The fourth proportional to 98,360.26, 135,729.75 and 55,910.50 is: 77,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,360.26 : 135,729.75 = 55,910.50 : x
  2. Step 2: Convert to fraction form
    98,360.26/135,729.75 = 55,910.50/x
  3. Step 3: Cross multiply
    98,360.26x = 135,729.75 × 55,910.50
  4. Step 4: Simplify right side
    98,360.26x = 7,588,718,187.38
  5. Step 5: Solve for x
    x = 7,588,718,187.38/98,360.26
  6. Step 6: Final answer
    x = 77,152.28

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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.