Home / 221,464.30-332,196.45-81,204.70

Finding the Fourth Proportional to 221,464.30, 332,196.45 and 81,204.70

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Solution

The fourth proportional to 221,464.30, 332,196.45 and 81,204.70 is: 121,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,464.30 : 332,196.45 = 81,204.70 : x
  2. Step 2: Convert to fraction form
    221,464.30/332,196.45 = 81,204.70/x
  3. Step 3: Cross multiply
    221,464.30x = 332,196.45 × 81,204.70
  4. Step 4: Simplify right side
    221,464.30x = 26,975,913,063.32
  5. Step 5: Solve for x
    x = 26,975,913,063.32/221,464.30
  6. Step 6: Final answer
    x = 121,807.05

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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.