Home / 121,384.36-182,076.54-51,264.28

Finding the Fourth Proportional to 121,384.36, 182,076.54 and 51,264.28

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Solution

The fourth proportional to 121,384.36, 182,076.54 and 51,264.28 is: 76,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,384.36 : 182,076.54 = 51,264.28 : x
  2. Step 2: Convert to fraction form
    121,384.36/182,076.54 = 51,264.28/x
  3. Step 3: Cross multiply
    121,384.36x = 182,076.54 × 51,264.28
  4. Step 4: Simplify right side
    121,384.36x = 9,334,022,727.99
  5. Step 5: Solve for x
    x = 9,334,022,727.99/121,384.36
  6. Step 6: Final answer
    x = 76,896.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.