Home / 221,357.18-332,066.68-109,038.33

Finding the Fourth Proportional to 221,357.18, 332,066.68 and 109,038.33

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Solution

The fourth proportional to 221,357.18, 332,066.68 and 109,038.33 is: 163,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,357.18 : 332,066.68 = 109,038.33 : x
  2. Step 2: Convert to fraction form
    221,357.18/332,066.68 = 109,038.33/x
  3. Step 3: Cross multiply
    221,357.18x = 332,066.68 × 109,038.33
  4. Step 4: Simplify right side
    221,357.18x = 36,207,995,963.25
  5. Step 5: Solve for x
    x = 36,207,995,963.25/221,357.18
  6. Step 6: Final answer
    x = 163,572.72

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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.