Home / 106,375.64-146,751.86-76,149.92

Finding the Fourth Proportional to 106,375.64, 146,751.86 and 76,149.92

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Solution

The fourth proportional to 106,375.64, 146,751.86 and 76,149.92 is: 105,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,375.64 : 146,751.86 = 76,149.92 : x
  2. Step 2: Convert to fraction form
    106,375.64/146,751.86 = 76,149.92/x
  3. Step 3: Cross multiply
    106,375.64x = 146,751.86 × 76,149.92
  4. Step 4: Simplify right side
    106,375.64x = 11,175,142,956.11
  5. Step 5: Solve for x
    x = 11,175,142,956.11/106,375.64
  6. Step 6: Final answer
    x = 105,053.60

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1.5x scale

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.