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Finding the Fourth Proportional to 127,423.68, 175,850.68 and 70,836

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Solution

The fourth proportional to 127,423.68, 175,850.68 and 70,836 is: 97,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,423.68 : 175,850.68 = 70,836 : x
  2. Step 2: Convert to fraction form
    127,423.68/175,850.68 = 70,836/x
  3. Step 3: Cross multiply
    127,423.68x = 175,850.68 × 70,836
  4. Step 4: Simplify right side
    127,423.68x = 12,456,558,768.48
  5. Step 5: Solve for x
    x = 12,456,558,768.48/127,423.68
  6. Step 6: Final answer
    x = 97,757.02

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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.