Home / 187,389.21-280,633.42-107,184.03

Finding the Fourth Proportional to 187,389.21, 280,633.42 and 107,184.03

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Solution

The fourth proportional to 187,389.21, 280,633.42 and 107,184.03 is: 160,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,389.21 : 280,633.42 = 107,184.03 : x
  2. Step 2: Convert to fraction form
    187,389.21/280,633.42 = 107,184.03/x
  3. Step 3: Cross multiply
    187,389.21x = 280,633.42 × 107,184.03
  4. Step 4: Simplify right side
    187,389.21x = 30,079,420,908.28
  5. Step 5: Solve for x
    x = 30,079,420,908.28/187,389.21
  6. Step 6: Final answer
    x = 160,518.43

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1.5x scale

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.