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Finding the Fourth Proportional to 107,955.36, 148,978 and 60,207.52

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Solution

The fourth proportional to 107,955.36, 148,978 and 60,207.52 is: 83,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,955.36 : 148,978 = 60,207.52 : x
  2. Step 2: Convert to fraction form
    107,955.36/148,978 = 60,207.52/x
  3. Step 3: Cross multiply
    107,955.36x = 148,978 × 60,207.52
  4. Step 4: Simplify right side
    107,955.36x = 8,969,595,914.56
  5. Step 5: Solve for x
    x = 8,969,595,914.56/107,955.36
  6. Step 6: Final answer
    x = 83,086.16

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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.