Home / 132,218.37-198,341.69-42,229.67

Finding the Fourth Proportional to 132,218.37, 198,341.69 and 42,229.67

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Solution

The fourth proportional to 132,218.37, 198,341.69 and 42,229.67 is: 63,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,218.37 : 198,341.69 = 42,229.67 : x
  2. Step 2: Convert to fraction form
    132,218.37/198,341.69 = 42,229.67/x
  3. Step 3: Cross multiply
    132,218.37x = 198,341.69 × 42,229.67
  4. Step 4: Simplify right side
    132,218.37x = 8,375,902,913.09
  5. Step 5: Solve for x
    x = 8,375,902,913.09/132,218.37
  6. Step 6: Final answer
    x = 63,349.01

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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.