Home / 110,126.34-165,186.78-31,240.65

Finding the Fourth Proportional to 110,126.34, 165,186.78 and 31,240.65

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Solution

The fourth proportional to 110,126.34, 165,186.78 and 31,240.65 is: 46,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,126.34 : 165,186.78 = 31,240.65 : x
  2. Step 2: Convert to fraction form
    110,126.34/165,186.78 = 31,240.65/x
  3. Step 3: Cross multiply
    110,126.34x = 165,186.78 × 31,240.65
  4. Step 4: Simplify right side
    110,126.34x = 5,160,542,378.61
  5. Step 5: Solve for x
    x = 5,160,542,378.61/110,126.34
  6. Step 6: Final answer
    x = 46,860.20

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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.