Home / 108,078.53-149,142.17-60,334.90

Finding the Fourth Proportional to 108,078.53, 149,142.17 and 60,334.90

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Solution

The fourth proportional to 108,078.53, 149,142.17 and 60,334.90 is: 83,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,078.53 : 149,142.17 = 60,334.90 : x
  2. Step 2: Convert to fraction form
    108,078.53/149,142.17 = 60,334.90/x
  3. Step 3: Cross multiply
    108,078.53x = 149,142.17 × 60,334.90
  4. Step 4: Simplify right side
    108,078.53x = 8,998,477,690.71
  5. Step 5: Solve for x
    x = 8,998,477,690.71/108,078.53
  6. Step 6: Final answer
    x = 83,258.70

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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.