Home / 123,248.10-184,872.16-40,142.10

Finding the Fourth Proportional to 123,248.10, 184,872.16 and 40,142.10

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Solution

The fourth proportional to 123,248.10, 184,872.16 and 40,142.10 is: 60,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,248.10 : 184,872.16 = 40,142.10 : x
  2. Step 2: Convert to fraction form
    123,248.10/184,872.16 = 40,142.10/x
  3. Step 3: Cross multiply
    123,248.10x = 184,872.16 × 40,142.10
  4. Step 4: Simplify right side
    123,248.10x = 7,421,156,733.94
  5. Step 5: Solve for x
    x = 7,421,156,733.94/123,248.10
  6. Step 6: Final answer
    x = 60,213.15

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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.