Home / 87,464.04-120,768.19-68,310.38

Finding the Fourth Proportional to 87,464.04, 120,768.19 and 68,310.38

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Solution

The fourth proportional to 87,464.04, 120,768.19 and 68,310.38 is: 94,321.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,464.04 : 120,768.19 = 68,310.38 : x
  2. Step 2: Convert to fraction form
    87,464.04/120,768.19 = 68,310.38/x
  3. Step 3: Cross multiply
    87,464.04x = 120,768.19 × 68,310.38
  4. Step 4: Simplify right side
    87,464.04x = 8,249,720,950.81
  5. Step 5: Solve for x
    x = 8,249,720,950.81/87,464.04
  6. Step 6: Final answer
    x = 94,321.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.