Home / 132,430.08-198,685.44-38,936.64

Finding the Fourth Proportional to 132,430.08, 198,685.44 and 38,936.64

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Solution

The fourth proportional to 132,430.08, 198,685.44 and 38,936.64 is: 58,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,430.08 : 198,685.44 = 38,936.64 : x
  2. Step 2: Convert to fraction form
    132,430.08/198,685.44 = 38,936.64/x
  3. Step 3: Cross multiply
    132,430.08x = 198,685.44 × 38,936.64
  4. Step 4: Simplify right side
    132,430.08x = 7,736,143,450.52
  5. Step 5: Solve for x
    x = 7,736,143,450.52/132,430.08
  6. Step 6: Final answer
    x = 58,416.81

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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.