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Finding the Fourth Proportional to 179,813.55, 269,690.08 and 65,937.81

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Solution

The fourth proportional to 179,813.55, 269,690.08 and 65,937.81 is: 98,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,813.55 : 269,690.08 = 65,937.81 : x
  2. Step 2: Convert to fraction form
    179,813.55/269,690.08 = 65,937.81/x
  3. Step 3: Cross multiply
    179,813.55x = 269,690.08 × 65,937.81
  4. Step 4: Simplify right side
    179,813.55x = 17,782,773,336.35
  5. Step 5: Solve for x
    x = 17,782,773,336.35/179,813.55
  6. Step 6: Final answer
    x = 98,895.62

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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.