Home / 187,220.13-280,774.77-54,101.62

Finding the Fourth Proportional to 187,220.13, 280,774.77 and 54,101.62

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Solution

The fourth proportional to 187,220.13, 280,774.77 and 54,101.62 is: 81,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,220.13 : 280,774.77 = 54,101.62 : x
  2. Step 2: Convert to fraction form
    187,220.13/280,774.77 = 54,101.62/x
  3. Step 3: Cross multiply
    187,220.13x = 280,774.77 × 54,101.62
  4. Step 4: Simplify right side
    187,220.13x = 15,190,369,912.13
  5. Step 5: Solve for x
    x = 15,190,369,912.13/187,220.13
  6. Step 6: Final answer
    x = 81,136.41

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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.