Home / 150,130.74-207,171.75-82,149.04

Finding the Fourth Proportional to 150,130.74, 207,171.75 and 82,149.04

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Solution

The fourth proportional to 150,130.74, 207,171.75 and 82,149.04 is: 113,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,130.74 : 207,171.75 = 82,149.04 : x
  2. Step 2: Convert to fraction form
    150,130.74/207,171.75 = 82,149.04/x
  3. Step 3: Cross multiply
    150,130.74x = 207,171.75 × 82,149.04
  4. Step 4: Simplify right side
    150,130.74x = 17,018,960,377.62
  5. Step 5: Solve for x
    x = 17,018,960,377.62/150,130.74
  6. Step 6: Final answer
    x = 113,360.93

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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.