Home / 97,941.23-135,187.78-63,955

Finding the Fourth Proportional to 97,941.23, 135,187.78 and 63,955

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Solution

The fourth proportional to 97,941.23, 135,187.78 and 63,955 is: 88,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,941.23 : 135,187.78 = 63,955 : x
  2. Step 2: Convert to fraction form
    97,941.23/135,187.78 = 63,955/x
  3. Step 3: Cross multiply
    97,941.23x = 135,187.78 × 63,955
  4. Step 4: Simplify right side
    97,941.23x = 8,645,934,469.90
  5. Step 5: Solve for x
    x = 8,645,934,469.90/97,941.23
  6. Step 6: Final answer
    x = 88,276.76

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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.