Home / 168,683.52-252,951-89,778.96

Finding the Fourth Proportional to 168,683.52, 252,951 and 89,778.96

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Solution

The fourth proportional to 168,683.52, 252,951 and 89,778.96 is: 134,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,683.52 : 252,951 = 89,778.96 : x
  2. Step 2: Convert to fraction form
    168,683.52/252,951 = 89,778.96/x
  3. Step 3: Cross multiply
    168,683.52x = 252,951 × 89,778.96
  4. Step 4: Simplify right side
    168,683.52x = 22,709,677,710.96
  5. Step 5: Solve for x
    x = 22,709,677,710.96/168,683.52
  6. Step 6: Final answer
    x = 134,628.91

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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.