Home / 84,744.72-127,168.97-34,134.45

Finding the Fourth Proportional to 84,744.72, 127,168.97 and 34,134.45

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Solution

The fourth proportional to 84,744.72, 127,168.97 and 34,134.45 is: 51,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744.72 : 127,168.97 = 34,134.45 : x
  2. Step 2: Convert to fraction form
    84,744.72/127,168.97 = 34,134.45/x
  3. Step 3: Cross multiply
    84,744.72x = 127,168.97 × 34,134.45
  4. Step 4: Simplify right side
    84,744.72x = 4,340,842,677.34
  5. Step 5: Solve for x
    x = 4,340,842,677.34/84,744.72
  6. Step 6: Final answer
    x = 51,222.58

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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.