Home / 125,439.66-173,106.82-68,078.96

Finding the Fourth Proportional to 125,439.66, 173,106.82 and 68,078.96

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Solution

The fourth proportional to 125,439.66, 173,106.82 and 68,078.96 is: 93,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,439.66 : 173,106.82 = 68,078.96 : x
  2. Step 2: Convert to fraction form
    125,439.66/173,106.82 = 68,078.96/x
  3. Step 3: Cross multiply
    125,439.66x = 173,106.82 × 68,078.96
  4. Step 4: Simplify right side
    125,439.66x = 11,784,932,274.51
  5. Step 5: Solve for x
    x = 11,784,932,274.51/125,439.66
  6. Step 6: Final answer
    x = 93,949.01

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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.