Home / 132,619.86-198,935.28-39,125.64

Finding the Fourth Proportional to 132,619.86, 198,935.28 and 39,125.64

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Solution

The fourth proportional to 132,619.86, 198,935.28 and 39,125.64 is: 58,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,619.86 : 198,935.28 = 39,125.64 : x
  2. Step 2: Convert to fraction form
    132,619.86/198,935.28 = 39,125.64/x
  3. Step 3: Cross multiply
    132,619.86x = 198,935.28 × 39,125.64
  4. Step 4: Simplify right side
    132,619.86x = 7,783,470,148.58
  5. Step 5: Solve for x
    x = 7,783,470,148.58/132,619.86
  6. Step 6: Final answer
    x = 58,690.08

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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.