Home / 108,664.11-149,963.67-60,920.55

Finding the Fourth Proportional to 108,664.11, 149,963.67 and 60,920.55

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Solution

The fourth proportional to 108,664.11, 149,963.67 and 60,920.55 is: 84,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,664.11 : 149,963.67 = 60,920.55 : x
  2. Step 2: Convert to fraction form
    108,664.11/149,963.67 = 60,920.55/x
  3. Step 3: Cross multiply
    108,664.11x = 149,963.67 × 60,920.55
  4. Step 4: Simplify right side
    108,664.11x = 9,135,869,256.42
  5. Step 5: Solve for x
    x = 9,135,869,256.42/108,664.11
  6. Step 6: Final answer
    x = 84,074.39

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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.