Home / 129,800.34-179,093.43-73,211.85

Finding the Fourth Proportional to 129,800.34, 179,093.43 and 73,211.85

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Solution

The fourth proportional to 129,800.34, 179,093.43 and 73,211.85 is: 101,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,800.34 : 179,093.43 = 73,211.85 : x
  2. Step 2: Convert to fraction form
    129,800.34/179,093.43 = 73,211.85/x
  3. Step 3: Cross multiply
    129,800.34x = 179,093.43 × 73,211.85
  4. Step 4: Simplify right side
    129,800.34x = 13,111,761,333.15
  5. Step 5: Solve for x
    x = 13,111,761,333.15/129,800.34
  6. Step 6: Final answer
    x = 101,014.85

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1.5x scale

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.