Home / 108,416.22-149,614.47-60,680.90

Finding the Fourth Proportional to 108,416.22, 149,614.47 and 60,680.90

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Solution

The fourth proportional to 108,416.22, 149,614.47 and 60,680.90 is: 83,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,416.22 : 149,614.47 = 60,680.90 : x
  2. Step 2: Convert to fraction form
    108,416.22/149,614.47 = 60,680.90/x
  3. Step 3: Cross multiply
    108,416.22x = 149,614.47 × 60,680.90
  4. Step 4: Simplify right side
    108,416.22x = 9,078,739,944.55
  5. Step 5: Solve for x
    x = 9,078,739,944.55/108,416.22
  6. Step 6: Final answer
    x = 83,739.68

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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.