Home / 125,400.54-173,052.27-68,812.86

Finding the Fourth Proportional to 125,400.54, 173,052.27 and 68,812.86

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Solution

The fourth proportional to 125,400.54, 173,052.27 and 68,812.86 is: 94,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,400.54 : 173,052.27 = 68,812.86 : x
  2. Step 2: Convert to fraction form
    125,400.54/173,052.27 = 68,812.86/x
  3. Step 3: Cross multiply
    125,400.54x = 173,052.27 × 68,812.86
  4. Step 4: Simplify right side
    125,400.54x = 11,908,221,628.19
  5. Step 5: Solve for x
    x = 11,908,221,628.19/125,400.54
  6. Step 6: Final answer
    x = 94,961.49

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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.