Home / 89,271.18-133,903.26-30,105.54

Finding the Fourth Proportional to 89,271.18, 133,903.26 and 30,105.54

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Solution

The fourth proportional to 89,271.18, 133,903.26 and 30,105.54 is: 45,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,271.18 : 133,903.26 = 30,105.54 : x
  2. Step 2: Convert to fraction form
    89,271.18/133,903.26 = 30,105.54/x
  3. Step 3: Cross multiply
    89,271.18x = 133,903.26 × 30,105.54
  4. Step 4: Simplify right side
    89,271.18x = 4,031,229,950.06
  5. Step 5: Solve for x
    x = 4,031,229,950.06/89,271.18
  6. Step 6: Final answer
    x = 45,157.13

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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.