Home / 253,119.36-379,679.22-75,626.40

Finding the Fourth Proportional to 253,119.36, 379,679.22 and 75,626.40

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Solution

The fourth proportional to 253,119.36, 379,679.22 and 75,626.40 is: 113,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,119.36 : 379,679.22 = 75,626.40 : x
  2. Step 2: Convert to fraction form
    253,119.36/379,679.22 = 75,626.40/x
  3. Step 3: Cross multiply
    253,119.36x = 379,679.22 × 75,626.40
  4. Step 4: Simplify right side
    253,119.36x = 28,713,772,563.41
  5. Step 5: Solve for x
    x = 28,713,772,563.41/253,119.36
  6. Step 6: Final answer
    x = 113,439.65

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1.5x scale

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.