Home / 89,322.36-133,982.16-30,199.56

Finding the Fourth Proportional to 89,322.36, 133,982.16 and 30,199.56

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Solution

The fourth proportional to 89,322.36, 133,982.16 and 30,199.56 is: 45,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,322.36 : 133,982.16 = 30,199.56 : x
  2. Step 2: Convert to fraction form
    89,322.36/133,982.16 = 30,199.56/x
  3. Step 3: Cross multiply
    89,322.36x = 133,982.16 × 30,199.56
  4. Step 4: Simplify right side
    89,322.36x = 4,046,202,279.85
  5. Step 5: Solve for x
    x = 4,046,202,279.85/89,322.36
  6. Step 6: Final answer
    x = 45,298.87

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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.