Home / 108,747.72-150,041-63,427.68

Finding the Fourth Proportional to 108,747.72, 150,041 and 63,427.68

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Solution

The fourth proportional to 108,747.72, 150,041 and 63,427.68 is: 87,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,747.72 : 150,041 = 63,427.68 : x
  2. Step 2: Convert to fraction form
    108,747.72/150,041 = 63,427.68/x
  3. Step 3: Cross multiply
    108,747.72x = 150,041 × 63,427.68
  4. Step 4: Simplify right side
    108,747.72x = 9,516,752,534.88
  5. Step 5: Solve for x
    x = 9,516,752,534.88/108,747.72
  6. Step 6: Final answer
    x = 87,512.20

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1.5x scale

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.