Home / 108,046.12-149,111.13-60,308.80

Finding the Fourth Proportional to 108,046.12, 149,111.13 and 60,308.80

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Solution

The fourth proportional to 108,046.12, 149,111.13 and 60,308.80 is: 83,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,046.12 : 149,111.13 = 60,308.80 : x
  2. Step 2: Convert to fraction form
    108,046.12/149,111.13 = 60,308.80/x
  3. Step 3: Cross multiply
    108,046.12x = 149,111.13 × 60,308.80
  4. Step 4: Simplify right side
    108,046.12x = 8,992,713,316.94
  5. Step 5: Solve for x
    x = 8,992,713,316.94/108,046.12
  6. Step 6: Final answer
    x = 83,230.32

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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.