Home / 132,032.40-198,340.20-128,533.20

Finding the Fourth Proportional to 132,032.40, 198,340.20 and 128,533.20

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Solution

The fourth proportional to 132,032.40, 198,340.20 and 128,533.20 is: 193,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,032.40 : 198,340.20 = 128,533.20 : x
  2. Step 2: Convert to fraction form
    132,032.40/198,340.20 = 128,533.20/x
  3. Step 3: Cross multiply
    132,032.40x = 198,340.20 × 128,533.20
  4. Step 4: Simplify right side
    132,032.40x = 25,493,300,594.64
  5. Step 5: Solve for x
    x = 25,493,300,594.64/132,032.40
  6. Step 6: Final answer
    x = 193,083.67

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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.