Home / 108,257.75-149,402.67-60,511.28

Finding the Fourth Proportional to 108,257.75, 149,402.67 and 60,511.28

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Solution

The fourth proportional to 108,257.75, 149,402.67 and 60,511.28 is: 83,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,257.75 : 149,402.67 = 60,511.28 : x
  2. Step 2: Convert to fraction form
    108,257.75/149,402.67 = 60,511.28/x
  3. Step 3: Cross multiply
    108,257.75x = 149,402.67 × 60,511.28
  4. Step 4: Simplify right side
    108,257.75x = 9,040,546,797.12
  5. Step 5: Solve for x
    x = 9,040,546,797.12/108,257.75
  6. Step 6: Final answer
    x = 83,509.47

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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.