Home / 108,363.47-149,542.13-60,616.80

Finding the Fourth Proportional to 108,363.47, 149,542.13 and 60,616.80

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Solution

The fourth proportional to 108,363.47, 149,542.13 and 60,616.80 is: 83,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,363.47 : 149,542.13 = 60,616.80 : x
  2. Step 2: Convert to fraction form
    108,363.47/149,542.13 = 60,616.80/x
  3. Step 3: Cross multiply
    108,363.47x = 149,542.13 × 60,616.80
  4. Step 4: Simplify right side
    108,363.47x = 9,064,765,537.33
  5. Step 5: Solve for x
    x = 9,064,765,537.33/108,363.47
  6. Step 6: Final answer
    x = 83,651.49

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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.