Home / 91,932.36-126,857.70-51,637

Finding the Fourth Proportional to 91,932.36, 126,857.70 and 51,637

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Solution

The fourth proportional to 91,932.36, 126,857.70 and 51,637 is: 71,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,932.36 : 126,857.70 = 51,637 : x
  2. Step 2: Convert to fraction form
    91,932.36/126,857.70 = 51,637/x
  3. Step 3: Cross multiply
    91,932.36x = 126,857.70 × 51,637
  4. Step 4: Simplify right side
    91,932.36x = 6,550,551,054.90
  5. Step 5: Solve for x
    x = 6,550,551,054.90/91,932.36
  6. Step 6: Final answer
    x = 71,254.03

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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.