Home / 276,943.70-415,415.55-89,974.10

Finding the Fourth Proportional to 276,943.70, 415,415.55 and 89,974.10

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Solution

The fourth proportional to 276,943.70, 415,415.55 and 89,974.10 is: 134,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,943.70 : 415,415.55 = 89,974.10 : x
  2. Step 2: Convert to fraction form
    276,943.70/415,415.55 = 89,974.10/x
  3. Step 3: Cross multiply
    276,943.70x = 415,415.55 × 89,974.10
  4. Step 4: Simplify right side
    276,943.70x = 37,376,640,237.26
  5. Step 5: Solve for x
    x = 37,376,640,237.26/276,943.70
  6. Step 6: Final answer
    x = 134,961.15

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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.