Home / 109,214.58-163,683.34-49,179

Finding the Fourth Proportional to 109,214.58, 163,683.34 and 49,179

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Solution

The fourth proportional to 109,214.58, 163,683.34 and 49,179 is: 73,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,214.58 : 163,683.34 = 49,179 : x
  2. Step 2: Convert to fraction form
    109,214.58/163,683.34 = 49,179/x
  3. Step 3: Cross multiply
    109,214.58x = 163,683.34 × 49,179
  4. Step 4: Simplify right side
    109,214.58x = 8,049,782,977.86
  5. Step 5: Solve for x
    x = 8,049,782,977.86/109,214.58
  6. Step 6: Final answer
    x = 73,706.12

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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.