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Finding the Fourth Proportional to 129,999.84, 195,000.72 and 41,253.60

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Solution

The fourth proportional to 129,999.84, 195,000.72 and 41,253.60 is: 61,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,999.84 : 195,000.72 = 41,253.60 : x
  2. Step 2: Convert to fraction form
    129,999.84/195,000.72 = 41,253.60/x
  3. Step 3: Cross multiply
    129,999.84x = 195,000.72 × 41,253.60
  4. Step 4: Simplify right side
    129,999.84x = 8,044,481,702.59
  5. Step 5: Solve for x
    x = 8,044,481,702.59/129,999.84
  6. Step 6: Final answer
    x = 61,880.70

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1.5x scale

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.