Home / 78,094.89-116,854.59-55,231.23

Finding the Fourth Proportional to 78,094.89, 116,854.59 and 55,231.23

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Solution

The fourth proportional to 78,094.89, 116,854.59 and 55,231.23 is: 82,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,094.89 : 116,854.59 = 55,231.23 : x
  2. Step 2: Convert to fraction form
    78,094.89/116,854.59 = 55,231.23/x
  3. Step 3: Cross multiply
    78,094.89x = 116,854.59 × 55,231.23
  4. Step 4: Simplify right side
    78,094.89x = 6,454,022,736.85
  5. Step 5: Solve for x
    x = 6,454,022,736.85/78,094.89
  6. Step 6: Final answer
    x = 82,643.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.