Home / 221,484.08-332,250.96-81,242.30

Finding the Fourth Proportional to 221,484.08, 332,250.96 and 81,242.30

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Solution

The fourth proportional to 221,484.08, 332,250.96 and 81,242.30 is: 121,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,484.08 : 332,250.96 = 81,242.30 : x
  2. Step 2: Convert to fraction form
    221,484.08/332,250.96 = 81,242.30/x
  3. Step 3: Cross multiply
    221,484.08x = 332,250.96 × 81,242.30
  4. Step 4: Simplify right side
    221,484.08x = 26,992,832,167.61
  5. Step 5: Solve for x
    x = 26,992,832,167.61/221,484.08
  6. Step 6: Final answer
    x = 121,872.56

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1.5x scale

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.