Home / 81,274.94-121,925.42-25,101.84

Finding the Fourth Proportional to 81,274.94, 121,925.42 and 25,101.84

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Solution

The fourth proportional to 81,274.94, 121,925.42 and 25,101.84 is: 37,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,274.94 : 121,925.42 = 25,101.84 : x
  2. Step 2: Convert to fraction form
    81,274.94/121,925.42 = 25,101.84/x
  3. Step 3: Cross multiply
    81,274.94x = 121,925.42 × 25,101.84
  4. Step 4: Simplify right side
    81,274.94x = 3,060,552,259.26
  5. Step 5: Solve for x
    x = 3,060,552,259.26/81,274.94
  6. Step 6: Final answer
    x = 37,656.78

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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.