Home / 150,001.41-207,002.13-82,018.68

Finding the Fourth Proportional to 150,001.41, 207,002.13 and 82,018.68

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Solution

The fourth proportional to 150,001.41, 207,002.13 and 82,018.68 is: 113,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,001.41 : 207,002.13 = 82,018.68 : x
  2. Step 2: Convert to fraction form
    150,001.41/207,002.13 = 82,018.68/x
  3. Step 3: Cross multiply
    150,001.41x = 207,002.13 × 82,018.68
  4. Step 4: Simplify right side
    150,001.41x = 16,978,041,459.79
  5. Step 5: Solve for x
    x = 16,978,041,459.79/150,001.41
  6. Step 6: Final answer
    x = 113,185.88

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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.