Home / 89,257.15-133,886.19-30,093.34

Finding the Fourth Proportional to 89,257.15, 133,886.19 and 30,093.34

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Solution

The fourth proportional to 89,257.15, 133,886.19 and 30,093.34 is: 45,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,257.15 : 133,886.19 = 30,093.34 : x
  2. Step 2: Convert to fraction form
    89,257.15/133,886.19 = 30,093.34/x
  3. Step 3: Cross multiply
    89,257.15x = 133,886.19 × 30,093.34
  4. Step 4: Simplify right side
    89,257.15x = 4,029,081,817.08
  5. Step 5: Solve for x
    x = 4,029,081,817.08/89,257.15
  6. Step 6: Final answer
    x = 45,140.16

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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.