Home / 84,169.20-116,166.08-53,988.56

Finding the Fourth Proportional to 84,169.20, 116,166.08 and 53,988.56

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Solution

The fourth proportional to 84,169.20, 116,166.08 and 53,988.56 is: 74,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,169.20 : 116,166.08 = 53,988.56 : x
  2. Step 2: Convert to fraction form
    84,169.20/116,166.08 = 53,988.56/x
  3. Step 3: Cross multiply
    84,169.20x = 116,166.08 × 53,988.56
  4. Step 4: Simplify right side
    84,169.20x = 6,271,639,380.04
  5. Step 5: Solve for x
    x = 6,271,639,380.04/84,169.20
  6. Step 6: Final answer
    x = 74,512.28

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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.