Home / 108,503.12-149,740.48-60,756.05

Finding the Fourth Proportional to 108,503.12, 149,740.48 and 60,756.05

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Solution

The fourth proportional to 108,503.12, 149,740.48 and 60,756.05 is: 83,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,503.12 : 149,740.48 = 60,756.05 : x
  2. Step 2: Convert to fraction form
    108,503.12/149,740.48 = 60,756.05/x
  3. Step 3: Cross multiply
    108,503.12x = 149,740.48 × 60,756.05
  4. Step 4: Simplify right side
    108,503.12x = 9,097,640,540.20
  5. Step 5: Solve for x
    x = 9,097,640,540.20/108,503.12
  6. Step 6: Final answer
    x = 83,846.81

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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.