Home / 106,381.41-158,793.44-93,770.45

Finding the Fourth Proportional to 106,381.41, 158,793.44 and 93,770.45

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Solution

The fourth proportional to 106,381.41, 158,793.44 and 93,770.45 is: 139,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,381.41 : 158,793.44 = 93,770.45 : x
  2. Step 2: Convert to fraction form
    106,381.41/158,793.44 = 93,770.45/x
  3. Step 3: Cross multiply
    106,381.41x = 158,793.44 × 93,770.45
  4. Step 4: Simplify right side
    106,381.41x = 14,890,132,325.85
  5. Step 5: Solve for x
    x = 14,890,132,325.85/106,381.41
  6. Step 6: Final answer
    x = 139,969.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.