Home / 125,370.27-173,005.34-68,780.43

Finding the Fourth Proportional to 125,370.27, 173,005.34 and 68,780.43

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Solution

The fourth proportional to 125,370.27, 173,005.34 and 68,780.43 is: 94,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,370.27 : 173,005.34 = 68,780.43 : x
  2. Step 2: Convert to fraction form
    125,370.27/173,005.34 = 68,780.43/x
  3. Step 3: Cross multiply
    125,370.27x = 173,005.34 × 68,780.43
  4. Step 4: Simplify right side
    125,370.27x = 11,899,381,333.59
  5. Step 5: Solve for x
    x = 11,899,381,333.59/125,370.27
  6. Step 6: Final answer
    x = 94,913.90

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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.