Home / 110,288.12-165,211.86-51,043.64

Finding the Fourth Proportional to 110,288.12, 165,211.86 and 51,043.64

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Solution

The fourth proportional to 110,288.12, 165,211.86 and 51,043.64 is: 76,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,288.12 : 165,211.86 = 51,043.64 : x
  2. Step 2: Convert to fraction form
    110,288.12/165,211.86 = 51,043.64/x
  3. Step 3: Cross multiply
    110,288.12x = 165,211.86 × 51,043.64
  4. Step 4: Simplify right side
    110,288.12x = 8,433,014,705.57
  5. Step 5: Solve for x
    x = 8,433,014,705.57/110,288.12
  6. Step 6: Final answer
    x = 76,463.49

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1.5x scale

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.