Home / 108,914.80-150,310.40-61,170.96

Finding the Fourth Proportional to 108,914.80, 150,310.40 and 61,170.96

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Solution

The fourth proportional to 108,914.80, 150,310.40 and 61,170.96 is: 84,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,914.80 : 150,310.40 = 61,170.96 : x
  2. Step 2: Convert to fraction form
    108,914.80/150,310.40 = 61,170.96/x
  3. Step 3: Cross multiply
    108,914.80x = 150,310.40 × 61,170.96
  4. Step 4: Simplify right side
    108,914.80x = 9,194,631,465.98
  5. Step 5: Solve for x
    x = 9,194,631,465.98/108,914.80
  6. Step 6: Final answer
    x = 84,420.40

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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.