Home / 264,683.60-396,940.08-87,148.36

Finding the Fourth Proportional to 264,683.60, 396,940.08 and 87,148.36

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Solution

The fourth proportional to 264,683.60, 396,940.08 and 87,148.36 is: 130,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,683.60 : 396,940.08 = 87,148.36 : x
  2. Step 2: Convert to fraction form
    264,683.60/396,940.08 = 87,148.36/x
  3. Step 3: Cross multiply
    264,683.60x = 396,940.08 × 87,148.36
  4. Step 4: Simplify right side
    264,683.60x = 34,592,676,990.27
  5. Step 5: Solve for x
    x = 34,592,676,990.27/264,683.60
  6. Step 6: Final answer
    x = 130,694.45

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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.