Home / 146,581.80-219,872.70-87,484.20

Finding the Fourth Proportional to 146,581.80, 219,872.70 and 87,484.20

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Solution

The fourth proportional to 146,581.80, 219,872.70 and 87,484.20 is: 131,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,581.80 : 219,872.70 = 87,484.20 : x
  2. Step 2: Convert to fraction form
    146,581.80/219,872.70 = 87,484.20/x
  3. Step 3: Cross multiply
    146,581.80x = 219,872.70 × 87,484.20
  4. Step 4: Simplify right side
    146,581.80x = 19,235,387,261.34
  5. Step 5: Solve for x
    x = 19,235,387,261.34/146,581.80
  6. Step 6: Final answer
    x = 131,226.30

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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.