Home / 180,108.28-248,542.40-103,652

Finding the Fourth Proportional to 180,108.28, 248,542.40 and 103,652

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Solution

The fourth proportional to 180,108.28, 248,542.40 and 103,652 is: 143,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,108.28 : 248,542.40 = 103,652 : x
  2. Step 2: Convert to fraction form
    180,108.28/248,542.40 = 103,652/x
  3. Step 3: Cross multiply
    180,108.28x = 248,542.40 × 103,652
  4. Step 4: Simplify right side
    180,108.28x = 25,761,916,844.80
  5. Step 5: Solve for x
    x = 25,761,916,844.80/180,108.28
  6. Step 6: Final answer
    x = 143,035.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.