Home / 129,432.85-194,120.01-50,506.45

Finding the Fourth Proportional to 129,432.85, 194,120.01 and 50,506.45

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Solution

The fourth proportional to 129,432.85, 194,120.01 and 50,506.45 is: 75,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,432.85 : 194,120.01 = 50,506.45 : x
  2. Step 2: Convert to fraction form
    129,432.85/194,120.01 = 50,506.45/x
  3. Step 3: Cross multiply
    129,432.85x = 194,120.01 × 50,506.45
  4. Step 4: Simplify right side
    129,432.85x = 9,804,312,579.06
  5. Step 5: Solve for x
    x = 9,804,312,579.06/129,432.85
  6. Step 6: Final answer
    x = 75,748.26

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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.