Home / 110,136.40-165,201.78-31,250.68

Finding the Fourth Proportional to 110,136.40, 165,201.78 and 31,250.68

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Solution

The fourth proportional to 110,136.40, 165,201.78 and 31,250.68 is: 46,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,136.40 : 165,201.78 = 31,250.68 : x
  2. Step 2: Convert to fraction form
    110,136.40/165,201.78 = 31,250.68/x
  3. Step 3: Cross multiply
    110,136.40x = 165,201.78 × 31,250.68
  4. Step 4: Simplify right side
    110,136.40x = 5,162,667,962.21
  5. Step 5: Solve for x
    x = 5,162,667,962.21/110,136.40
  6. Step 6: Final answer
    x = 46,875.22

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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.