Home / 84,155.10-126,161.97-36,734.11

Finding the Fourth Proportional to 84,155.10, 126,161.97 and 36,734.11

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Solution

The fourth proportional to 84,155.10, 126,161.97 and 36,734.11 is: 55,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,155.10 : 126,161.97 = 36,734.11 : x
  2. Step 2: Convert to fraction form
    84,155.10/126,161.97 = 36,734.11/x
  3. Step 3: Cross multiply
    84,155.10x = 126,161.97 × 36,734.11
  4. Step 4: Simplify right side
    84,155.10x = 4,634,447,230.64
  5. Step 5: Solve for x
    x = 4,634,447,230.64/84,155.10
  6. Step 6: Final answer
    x = 55,070.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.