Home / 150,171.55-207,236.84-82,188.51

Finding the Fourth Proportional to 150,171.55, 207,236.84 and 82,188.51

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Solution

The fourth proportional to 150,171.55, 207,236.84 and 82,188.51 is: 113,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,171.55 : 207,236.84 = 82,188.51 : x
  2. Step 2: Convert to fraction form
    150,171.55/207,236.84 = 82,188.51/x
  3. Step 3: Cross multiply
    150,171.55x = 207,236.84 × 82,188.51
  4. Step 4: Simplify right side
    150,171.55x = 17,032,487,096.71
  5. Step 5: Solve for x
    x = 17,032,487,096.71/150,171.55
  6. Step 6: Final answer
    x = 113,420.20

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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.