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Finding the Fourth Proportional to 127,393.48, 191,094.54 and 33,899.32

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Solution

The fourth proportional to 127,393.48, 191,094.54 and 33,899.32 is: 50,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,393.48 : 191,094.54 = 33,899.32 : x
  2. Step 2: Convert to fraction form
    127,393.48/191,094.54 = 33,899.32/x
  3. Step 3: Cross multiply
    127,393.48x = 191,094.54 × 33,899.32
  4. Step 4: Simplify right side
    127,393.48x = 6,477,974,961.71
  5. Step 5: Solve for x
    x = 6,477,974,961.71/127,393.48
  6. Step 6: Final answer
    x = 50,850.13

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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.