Home / 129,580.74-194,118.92-73,250.45

Finding the Fourth Proportional to 129,580.74, 194,118.92 and 73,250.45

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Solution

The fourth proportional to 129,580.74, 194,118.92 and 73,250.45 is: 109,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,580.74 : 194,118.92 = 73,250.45 : x
  2. Step 2: Convert to fraction form
    129,580.74/194,118.92 = 73,250.45/x
  3. Step 3: Cross multiply
    129,580.74x = 194,118.92 × 73,250.45
  4. Step 4: Simplify right side
    129,580.74x = 14,219,298,352.25
  5. Step 5: Solve for x
    x = 14,219,298,352.25/129,580.74
  6. Step 6: Final answer
    x = 109,733.12

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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.