Home / 125,531.34-173,234.63-68,942.72

Finding the Fourth Proportional to 125,531.34, 173,234.63 and 68,942.72

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Solution

The fourth proportional to 125,531.34, 173,234.63 and 68,942.72 is: 95,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,531.34 : 173,234.63 = 68,942.72 : x
  2. Step 2: Convert to fraction form
    125,531.34/173,234.63 = 68,942.72/x
  3. Step 3: Cross multiply
    125,531.34x = 173,234.63 × 68,942.72
  4. Step 4: Simplify right side
    125,531.34x = 11,943,265,379.51
  5. Step 5: Solve for x
    x = 11,943,265,379.51/125,531.34
  6. Step 6: Final answer
    x = 95,141.70

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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.