Home / 187,155.48-280,649.82-54,004.11

Finding the Fourth Proportional to 187,155.48, 280,649.82 and 54,004.11

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Solution

The fourth proportional to 187,155.48, 280,649.82 and 54,004.11 is: 80,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,155.48 : 280,649.82 = 54,004.11 : x
  2. Step 2: Convert to fraction form
    187,155.48/280,649.82 = 54,004.11/x
  3. Step 3: Cross multiply
    187,155.48x = 280,649.82 × 54,004.11
  4. Step 4: Simplify right side
    187,155.48x = 15,156,243,750.76
  5. Step 5: Solve for x
    x = 15,156,243,750.76/187,155.48
  6. Step 6: Final answer
    x = 80,982.10

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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.