Home / 108,679.32-150,004.14-66,261.24

Finding the Fourth Proportional to 108,679.32, 150,004.14 and 66,261.24

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Solution

The fourth proportional to 108,679.32, 150,004.14 and 66,261.24 is: 91,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,679.32 : 150,004.14 = 66,261.24 : x
  2. Step 2: Convert to fraction form
    108,679.32/150,004.14 = 66,261.24/x
  3. Step 3: Cross multiply
    108,679.32x = 150,004.14 × 66,261.24
  4. Step 4: Simplify right side
    108,679.32x = 9,939,460,321.53
  5. Step 5: Solve for x
    x = 9,939,460,321.53/108,679.32
  6. Step 6: Final answer
    x = 91,456.78

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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.