Home / 250,274.94-375,333.97-81,756.87

Finding the Fourth Proportional to 250,274.94, 375,333.97 and 81,756.87

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Solution

The fourth proportional to 250,274.94, 375,333.97 and 81,756.87 is: 122,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,274.94 : 375,333.97 = 81,756.87 : x
  2. Step 2: Convert to fraction form
    250,274.94/375,333.97 = 81,756.87/x
  3. Step 3: Cross multiply
    250,274.94x = 375,333.97 × 81,756.87
  4. Step 4: Simplify right side
    250,274.94x = 30,686,130,591.87
  5. Step 5: Solve for x
    x = 30,686,130,591.87/250,274.94
  6. Step 6: Final answer
    x = 122,609.68

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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.