Home / 110,126.47-165,189.81-30,158.59

Finding the Fourth Proportional to 110,126.47, 165,189.81 and 30,158.59

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Solution

The fourth proportional to 110,126.47, 165,189.81 and 30,158.59 is: 45,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,126.47 : 165,189.81 = 30,158.59 : x
  2. Step 2: Convert to fraction form
    110,126.47/165,189.81 = 30,158.59/x
  3. Step 3: Cross multiply
    110,126.47x = 165,189.81 × 30,158.59
  4. Step 4: Simplify right side
    110,126.47x = 4,981,891,751.97
  5. Step 5: Solve for x
    x = 4,981,891,751.97/110,126.47
  6. Step 6: Final answer
    x = 45,237.91

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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.