Home / 108,786.25-150,125.07-66,353.59

Finding the Fourth Proportional to 108,786.25, 150,125.07 and 66,353.59

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Solution

The fourth proportional to 108,786.25, 150,125.07 and 66,353.59 is: 91,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,786.25 : 150,125.07 = 66,353.59 : x
  2. Step 2: Convert to fraction form
    108,786.25/150,125.07 = 66,353.59/x
  3. Step 3: Cross multiply
    108,786.25x = 150,125.07 × 66,353.59
  4. Step 4: Simplify right side
    108,786.25x = 9,961,337,343.50
  5. Step 5: Solve for x
    x = 9,961,337,343.50/108,786.25
  6. Step 6: Final answer
    x = 91,567.98

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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.