Home / 84,155.80-126,202.20-36,118.35

Finding the Fourth Proportional to 84,155.80, 126,202.20 and 36,118.35

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Solution

The fourth proportional to 84,155.80, 126,202.20 and 36,118.35 is: 54,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,155.80 : 126,202.20 = 36,118.35 : x
  2. Step 2: Convert to fraction form
    84,155.80/126,202.20 = 36,118.35/x
  3. Step 3: Cross multiply
    84,155.80x = 126,202.20 × 36,118.35
  4. Step 4: Simplify right side
    84,155.80x = 4,558,215,230.37
  5. Step 5: Solve for x
    x = 4,558,215,230.37/84,155.80
  6. Step 6: Final answer
    x = 54,164.01

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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.