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Finding the Fourth Proportional to 127,404.29, 175,820.02 and 70,046.02

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Solution

The fourth proportional to 127,404.29, 175,820.02 and 70,046.02 is: 96,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,404.29 : 175,820.02 = 70,046.02 : x
  2. Step 2: Convert to fraction form
    127,404.29/175,820.02 = 70,046.02/x
  3. Step 3: Cross multiply
    127,404.29x = 175,820.02 × 70,046.02
  4. Step 4: Simplify right side
    127,404.29x = 12,315,491,692.99
  5. Step 5: Solve for x
    x = 12,315,491,692.99/127,404.29
  6. Step 6: Final answer
    x = 96,664.65

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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.