Home / 89,245.80-133,884.18-30,081.96

Finding the Fourth Proportional to 89,245.80, 133,884.18 and 30,081.96

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Solution

The fourth proportional to 89,245.80, 133,884.18 and 30,081.96 is: 45,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,245.80 : 133,884.18 = 30,081.96 : x
  2. Step 2: Convert to fraction form
    89,245.80/133,884.18 = 30,081.96/x
  3. Step 3: Cross multiply
    89,245.80x = 133,884.18 × 30,081.96
  4. Step 4: Simplify right side
    89,245.80x = 4,027,498,547.39
  5. Step 5: Solve for x
    x = 4,027,498,547.39/89,245.80
  6. Step 6: Final answer
    x = 45,128.16

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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.