Home / 84,168.42-116,115.76-55,451.22

Finding the Fourth Proportional to 84,168.42, 116,115.76 and 55,451.22

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Solution

The fourth proportional to 84,168.42, 116,115.76 and 55,451.22 is: 76,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,168.42 : 116,115.76 = 55,451.22 : x
  2. Step 2: Convert to fraction form
    84,168.42/116,115.76 = 55,451.22/x
  3. Step 3: Cross multiply
    84,168.42x = 116,115.76 × 55,451.22
  4. Step 4: Simplify right side
    84,168.42x = 6,438,760,187.11
  5. Step 5: Solve for x
    x = 6,438,760,187.11/84,168.42
  6. Step 6: Final answer
    x = 76,498.53

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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.