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Finding the Fourth Proportional to 88,465.68, 132,698.52 and 26,131.32

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Solution

The fourth proportional to 88,465.68, 132,698.52 and 26,131.32 is: 39,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,465.68 : 132,698.52 = 26,131.32 : x
  2. Step 2: Convert to fraction form
    88,465.68/132,698.52 = 26,131.32/x
  3. Step 3: Cross multiply
    88,465.68x = 132,698.52 × 26,131.32
  4. Step 4: Simplify right side
    88,465.68x = 3,467,587,489.65
  5. Step 5: Solve for x
    x = 3,467,587,489.65/88,465.68
  6. Step 6: Final answer
    x = 39,196.98

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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.