Home / 101,918.64-152,904.36-38,739.84

Finding the Fourth Proportional to 101,918.64, 152,904.36 and 38,739.84

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Solution

The fourth proportional to 101,918.64, 152,904.36 and 38,739.84 is: 58,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,918.64 : 152,904.36 = 38,739.84 : x
  2. Step 2: Convert to fraction form
    101,918.64/152,904.36 = 38,739.84/x
  3. Step 3: Cross multiply
    101,918.64x = 152,904.36 × 38,739.84
  4. Step 4: Simplify right side
    101,918.64x = 5,923,490,441.70
  5. Step 5: Solve for x
    x = 5,923,490,441.70/101,918.64
  6. Step 6: Final answer
    x = 58,119.79

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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.