Home / 132,219.37-198,343.19-42,230.67

Finding the Fourth Proportional to 132,219.37, 198,343.19 and 42,230.67

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Solution

The fourth proportional to 132,219.37, 198,343.19 and 42,230.67 is: 63,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,219.37 : 198,343.19 = 42,230.67 : x
  2. Step 2: Convert to fraction form
    132,219.37/198,343.19 = 42,230.67/x
  3. Step 3: Cross multiply
    132,219.37x = 198,343.19 × 42,230.67
  4. Step 4: Simplify right side
    132,219.37x = 8,376,164,600.77
  5. Step 5: Solve for x
    x = 8,376,164,600.77/132,219.37
  6. Step 6: Final answer
    x = 63,350.51

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1.5x scale

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.