Home / 134,540.54-185,673.93-77,179.48

Finding the Fourth Proportional to 134,540.54, 185,673.93 and 77,179.48

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Solution

The fourth proportional to 134,540.54, 185,673.93 and 77,179.48 is: 106,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,540.54 : 185,673.93 = 77,179.48 : x
  2. Step 2: Convert to fraction form
    134,540.54/185,673.93 = 77,179.48/x
  3. Step 3: Cross multiply
    134,540.54x = 185,673.93 × 77,179.48
  4. Step 4: Simplify right side
    134,540.54x = 14,330,217,366.96
  5. Step 5: Solve for x
    x = 14,330,217,366.96/134,540.54
  6. Step 6: Final answer
    x = 106,512.26

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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.