Home / 82,254.21-123,426.93-40,134.64

Finding the Fourth Proportional to 82,254.21, 123,426.93 and 40,134.64

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Solution

The fourth proportional to 82,254.21, 123,426.93 and 40,134.64 is: 60,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,254.21 : 123,426.93 = 40,134.64 : x
  2. Step 2: Convert to fraction form
    82,254.21/123,426.93 = 40,134.64/x
  3. Step 3: Cross multiply
    82,254.21x = 123,426.93 × 40,134.64
  4. Step 4: Simplify right side
    82,254.21x = 4,953,695,401.86
  5. Step 5: Solve for x
    x = 4,953,695,401.86/82,254.21
  6. Step 6: Final answer
    x = 60,224.22

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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.