Home / 84,171.17-116,310.18-80,070.95

Finding the Fourth Proportional to 84,171.17, 116,310.18 and 80,070.95

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Solution

The fourth proportional to 84,171.17, 116,310.18 and 80,070.95 is: 110,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,171.17 : 116,310.18 = 80,070.95 : x
  2. Step 2: Convert to fraction form
    84,171.17/116,310.18 = 80,070.95/x
  3. Step 3: Cross multiply
    84,171.17x = 116,310.18 × 80,070.95
  4. Step 4: Simplify right side
    84,171.17x = 9,313,066,025.72
  5. Step 5: Solve for x
    x = 9,313,066,025.72/84,171.17
  6. Step 6: Final answer
    x = 110,644.38

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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.