Home / 84,222.81-116,174.39-53,976.87

Finding the Fourth Proportional to 84,222.81, 116,174.39 and 53,976.87

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Solution

The fourth proportional to 84,222.81, 116,174.39 and 53,976.87 is: 74,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,222.81 : 116,174.39 = 53,976.87 : x
  2. Step 2: Convert to fraction form
    84,222.81/116,174.39 = 53,976.87/x
  3. Step 3: Cross multiply
    84,222.81x = 116,174.39 × 53,976.87
  4. Step 4: Simplify right side
    84,222.81x = 6,270,729,676.47
  5. Step 5: Solve for x
    x = 6,270,729,676.47/84,222.81
  6. Step 6: Final answer
    x = 74,454.05

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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.