Home / 89,434.09-134,157.35-30,249.75

Finding the Fourth Proportional to 89,434.09, 134,157.35 and 30,249.75

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Solution

The fourth proportional to 89,434.09, 134,157.35 and 30,249.75 is: 45,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,434.09 : 134,157.35 = 30,249.75 : x
  2. Step 2: Convert to fraction form
    89,434.09/134,157.35 = 30,249.75/x
  3. Step 3: Cross multiply
    89,434.09x = 134,157.35 × 30,249.75
  4. Step 4: Simplify right side
    89,434.09x = 4,058,226,298.16
  5. Step 5: Solve for x
    x = 4,058,226,298.16/89,434.09
  6. Step 6: Final answer
    x = 45,376.73

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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.