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Finding the Fourth Proportional to 119,423.90, 179,137.38 and 35,164.90

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Solution

The fourth proportional to 119,423.90, 179,137.38 and 35,164.90 is: 52,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,423.90 : 179,137.38 = 35,164.90 : x
  2. Step 2: Convert to fraction form
    119,423.90/179,137.38 = 35,164.90/x
  3. Step 3: Cross multiply
    119,423.90x = 179,137.38 × 35,164.90
  4. Step 4: Simplify right side
    119,423.90x = 6,299,348,053.96
  5. Step 5: Solve for x
    x = 6,299,348,053.96/119,423.90
  6. Step 6: Final answer
    x = 52,747.80

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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.