Home / 89,491.84-134,153.92-30,286.06

Finding the Fourth Proportional to 89,491.84, 134,153.92 and 30,286.06

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Solution

The fourth proportional to 89,491.84, 134,153.92 and 30,286.06 is: 45,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,491.84 : 134,153.92 = 30,286.06 : x
  2. Step 2: Convert to fraction form
    89,491.84/134,153.92 = 30,286.06/x
  3. Step 3: Cross multiply
    89,491.84x = 134,153.92 × 30,286.06
  4. Step 4: Simplify right side
    89,491.84x = 4,062,993,670.36
  5. Step 5: Solve for x
    x = 4,062,993,670.36/89,491.84
  6. Step 6: Final answer
    x = 45,400.72

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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.