Home / 84,170.20-116,167.46-53,989.56

Finding the Fourth Proportional to 84,170.20, 116,167.46 and 53,989.56

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Solution

The fourth proportional to 84,170.20, 116,167.46 and 53,989.56 is: 74,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,170.20 : 116,167.46 = 53,989.56 : x
  2. Step 2: Convert to fraction form
    84,170.20/116,167.46 = 53,989.56/x
  3. Step 3: Cross multiply
    84,170.20x = 116,167.46 × 53,989.56
  4. Step 4: Simplify right side
    84,170.20x = 6,271,830,051.72
  5. Step 5: Solve for x
    x = 6,271,830,051.72/84,170.20
  6. Step 6: Final answer
    x = 74,513.66

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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.