Home / 187,102.47-280,457.67-87,180.27

Finding the Fourth Proportional to 187,102.47, 280,457.67 and 87,180.27

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Solution

The fourth proportional to 187,102.47, 280,457.67 and 87,180.27 is: 130,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,102.47 : 280,457.67 = 87,180.27 : x
  2. Step 2: Convert to fraction form
    187,102.47/280,457.67 = 87,180.27/x
  3. Step 3: Cross multiply
    187,102.47x = 280,457.67 × 87,180.27
  4. Step 4: Simplify right side
    187,102.47x = 24,450,375,394.17
  5. Step 5: Solve for x
    x = 24,450,375,394.17/187,102.47
  6. Step 6: Final answer
    x = 130,679.06

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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.