Home / 106,380.08-146,768.64-66,079.52

Finding the Fourth Proportional to 106,380.08, 146,768.64 and 66,079.52

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Solution

The fourth proportional to 106,380.08, 146,768.64 and 66,079.52 is: 91,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,380.08 : 146,768.64 = 66,079.52 : x
  2. Step 2: Convert to fraction form
    106,380.08/146,768.64 = 66,079.52/x
  3. Step 3: Cross multiply
    106,380.08x = 146,768.64 × 66,079.52
  4. Step 4: Simplify right side
    106,380.08x = 9,698,401,282.25
  5. Step 5: Solve for x
    x = 9,698,401,282.25/106,380.08
  6. Step 6: Final answer
    x = 91,167.46

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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.