Home / 134,770.45-202,319.70-68,176.30

Finding the Fourth Proportional to 134,770.45, 202,319.70 and 68,176.30

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Solution

The fourth proportional to 134,770.45, 202,319.70 and 68,176.30 is: 102,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,770.45 : 202,319.70 = 68,176.30 : x
  2. Step 2: Convert to fraction form
    134,770.45/202,319.70 = 68,176.30/x
  3. Step 3: Cross multiply
    134,770.45x = 202,319.70 × 68,176.30
  4. Step 4: Simplify right side
    134,770.45x = 13,793,408,563.11
  5. Step 5: Solve for x
    x = 13,793,408,563.11/134,770.45
  6. Step 6: Final answer
    x = 102,347.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.