Home / 88,788.65-133,182.77-73,143.41

Finding the Fourth Proportional to 88,788.65, 133,182.77 and 73,143.41

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Solution

The fourth proportional to 88,788.65, 133,182.77 and 73,143.41 is: 109,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,788.65 : 133,182.77 = 73,143.41 : x
  2. Step 2: Convert to fraction form
    88,788.65/133,182.77 = 73,143.41/x
  3. Step 3: Cross multiply
    88,788.65x = 133,182.77 × 73,143.41
  4. Step 4: Simplify right side
    88,788.65x = 9,741,440,919.41
  5. Step 5: Solve for x
    x = 9,741,440,919.41/88,788.65
  6. Step 6: Final answer
    x = 109,714.94

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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.