Home / 89,186.30-133,793.28-30,017.36

Finding the Fourth Proportional to 89,186.30, 133,793.28 and 30,017.36

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Solution

The fourth proportional to 89,186.30, 133,793.28 and 30,017.36 is: 45,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186.30 : 133,793.28 = 30,017.36 : x
  2. Step 2: Convert to fraction form
    89,186.30/133,793.28 = 30,017.36/x
  3. Step 3: Cross multiply
    89,186.30x = 133,793.28 × 30,017.36
  4. Step 4: Simplify right side
    89,186.30x = 4,016,120,382.37
  5. Step 5: Solve for x
    x = 4,016,120,382.37/89,186.30
  6. Step 6: Final answer
    x = 45,030.69

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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.