Home / 132,269.76-198,192.78-118,841.40

Finding the Fourth Proportional to 132,269.76, 198,192.78 and 118,841.40

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Solution

The fourth proportional to 132,269.76, 198,192.78 and 118,841.40 is: 178,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,269.76 : 198,192.78 = 118,841.40 : x
  2. Step 2: Convert to fraction form
    132,269.76/198,192.78 = 118,841.40/x
  3. Step 3: Cross multiply
    132,269.76x = 198,192.78 × 118,841.40
  4. Step 4: Simplify right side
    132,269.76x = 23,553,507,445.09
  5. Step 5: Solve for x
    x = 23,553,507,445.09/132,269.76
  6. Step 6: Final answer
    x = 178,071.75

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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.