Home / 91,450.64-126,201.48-51,164.12

Finding the Fourth Proportional to 91,450.64, 126,201.48 and 51,164.12

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Solution

The fourth proportional to 91,450.64, 126,201.48 and 51,164.12 is: 70,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,450.64 : 126,201.48 = 51,164.12 : x
  2. Step 2: Convert to fraction form
    91,450.64/126,201.48 = 51,164.12/x
  3. Step 3: Cross multiply
    91,450.64x = 126,201.48 × 51,164.12
  4. Step 4: Simplify right side
    91,450.64x = 6,456,987,666.90
  5. Step 5: Solve for x
    x = 6,456,987,666.90/91,450.64
  6. Step 6: Final answer
    x = 70,606.26

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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.