Home / 108,086.18-149,161.44-67,801.64

Finding the Fourth Proportional to 108,086.18, 149,161.44 and 67,801.64

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Solution

The fourth proportional to 108,086.18, 149,161.44 and 67,801.64 is: 93,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,086.18 : 149,161.44 = 67,801.64 : x
  2. Step 2: Convert to fraction form
    108,086.18/149,161.44 = 67,801.64/x
  3. Step 3: Cross multiply
    108,086.18x = 149,161.44 × 67,801.64
  4. Step 4: Simplify right side
    108,086.18x = 10,113,390,256.76
  5. Step 5: Solve for x
    x = 10,113,390,256.76/108,086.18
  6. Step 6: Final answer
    x = 93,567.84

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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.