Home / 187,156.48-280,651.32-54,005.11

Finding the Fourth Proportional to 187,156.48, 280,651.32 and 54,005.11

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Solution

The fourth proportional to 187,156.48, 280,651.32 and 54,005.11 is: 80,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,156.48 : 280,651.32 = 54,005.11 : x
  2. Step 2: Convert to fraction form
    187,156.48/280,651.32 = 54,005.11/x
  3. Step 3: Cross multiply
    187,156.48x = 280,651.32 × 54,005.11
  4. Step 4: Simplify right side
    187,156.48x = 15,156,605,408.25
  5. Step 5: Solve for x
    x = 15,156,605,408.25/187,156.48
  6. Step 6: Final answer
    x = 80,983.60

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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.