Home / 108,208.56-149,318.10-60,455.28

Finding the Fourth Proportional to 108,208.56, 149,318.10 and 60,455.28

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Solution

The fourth proportional to 108,208.56, 149,318.10 and 60,455.28 is: 83,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,208.56 : 149,318.10 = 60,455.28 : x
  2. Step 2: Convert to fraction form
    108,208.56/149,318.10 = 60,455.28/x
  3. Step 3: Cross multiply
    108,208.56x = 149,318.10 × 60,455.28
  4. Step 4: Simplify right side
    108,208.56x = 9,027,067,544.57
  5. Step 5: Solve for x
    x = 9,027,067,544.57/108,208.56
  6. Step 6: Final answer
    x = 83,422.86

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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.