Home / 104,325.72-143,931.78-68,535.06

Finding the Fourth Proportional to 104,325.72, 143,931.78 and 68,535.06

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Solution

The fourth proportional to 104,325.72, 143,931.78 and 68,535.06 is: 94,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,325.72 : 143,931.78 = 68,535.06 : x
  2. Step 2: Convert to fraction form
    104,325.72/143,931.78 = 68,535.06/x
  3. Step 3: Cross multiply
    104,325.72x = 143,931.78 × 68,535.06
  4. Step 4: Simplify right side
    104,325.72x = 9,864,373,178.21
  5. Step 5: Solve for x
    x = 9,864,373,178.21/104,325.72
  6. Step 6: Final answer
    x = 94,553.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.