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Finding the Fourth Proportional to 84,191.54, 116,180.70 and 45,950.12

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Solution

The fourth proportional to 84,191.54, 116,180.70 and 45,950.12 is: 63,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,191.54 : 116,180.70 = 45,950.12 : x
  2. Step 2: Convert to fraction form
    84,191.54/116,180.70 = 45,950.12/x
  3. Step 3: Cross multiply
    84,191.54x = 116,180.70 × 45,950.12
  4. Step 4: Simplify right side
    84,191.54x = 5,338,517,106.68
  5. Step 5: Solve for x
    x = 5,338,517,106.68/84,191.54
  6. Step 6: Final answer
    x = 63,409.19

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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.