Home / 82,168.40-123,023.64-52,513.04

Finding the Fourth Proportional to 82,168.40, 123,023.64 and 52,513.04

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Solution

The fourth proportional to 82,168.40, 123,023.64 and 52,513.04 is: 78,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,168.40 : 123,023.64 = 52,513.04 : x
  2. Step 2: Convert to fraction form
    82,168.40/123,023.64 = 52,513.04/x
  3. Step 3: Cross multiply
    82,168.40x = 123,023.64 × 52,513.04
  4. Step 4: Simplify right side
    82,168.40x = 6,460,345,328.27
  5. Step 5: Solve for x
    x = 6,460,345,328.27/82,168.40
  6. Step 6: Final answer
    x = 78,623.23

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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.