Home / 88,056.40-132,084.60-82,872.40

Finding the Fourth Proportional to 88,056.40, 132,084.60 and 82,872.40

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Solution

The fourth proportional to 88,056.40, 132,084.60 and 82,872.40 is: 124,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,056.40 : 132,084.60 = 82,872.40 : x
  2. Step 2: Convert to fraction form
    88,056.40/132,084.60 = 82,872.40/x
  3. Step 3: Cross multiply
    88,056.40x = 132,084.60 × 82,872.40
  4. Step 4: Simplify right side
    88,056.40x = 10,946,167,805.04
  5. Step 5: Solve for x
    x = 10,946,167,805.04/88,056.40
  6. Step 6: Final answer
    x = 124,308.60

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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.