Home / 132,132.40-197,622.60-118,193.20

Finding the Fourth Proportional to 132,132.40, 197,622.60 and 118,193.20

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Solution

The fourth proportional to 132,132.40, 197,622.60 and 118,193.20 is: 176,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,132.40 : 197,622.60 = 118,193.20 : x
  2. Step 2: Convert to fraction form
    132,132.40/197,622.60 = 118,193.20/x
  3. Step 3: Cross multiply
    132,132.40x = 197,622.60 × 118,193.20
  4. Step 4: Simplify right side
    132,132.40x = 23,357,647,486.32
  5. Step 5: Solve for x
    x = 23,357,647,486.32/132,132.40
  6. Step 6: Final answer
    x = 176,774.56

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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.