Home / 150,186.70-207,254.50-82,202.10

Finding the Fourth Proportional to 150,186.70, 207,254.50 and 82,202.10

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Solution

The fourth proportional to 150,186.70, 207,254.50 and 82,202.10 is: 113,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,186.70 : 207,254.50 = 82,202.10 : x
  2. Step 2: Convert to fraction form
    150,186.70/207,254.50 = 82,202.10/x
  3. Step 3: Cross multiply
    150,186.70x = 207,254.50 × 82,202.10
  4. Step 4: Simplify right side
    150,186.70x = 17,036,755,134.45
  5. Step 5: Solve for x
    x = 17,036,755,134.45/150,186.70
  6. Step 6: Final answer
    x = 113,437.18

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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.