Home / 98,373.88-135,742.26-55,927.72

Finding the Fourth Proportional to 98,373.88, 135,742.26 and 55,927.72

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Solution

The fourth proportional to 98,373.88, 135,742.26 and 55,927.72 is: 77,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,373.88 : 135,742.26 = 55,927.72 : x
  2. Step 2: Convert to fraction form
    98,373.88/135,742.26 = 55,927.72/x
  3. Step 3: Cross multiply
    98,373.88x = 135,742.26 × 55,927.72
  4. Step 4: Simplify right side
    98,373.88x = 7,591,755,109.45
  5. Step 5: Solve for x
    x = 7,591,755,109.45/98,373.88
  6. Step 6: Final answer
    x = 77,172.47

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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.