Home / 146,269.80-219,404.70-136,428.30

Finding the Fourth Proportional to 146,269.80, 219,404.70 and 136,428.30

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Solution

The fourth proportional to 146,269.80, 219,404.70 and 136,428.30 is: 204,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,269.80 : 219,404.70 = 136,428.30 : x
  2. Step 2: Convert to fraction form
    146,269.80/219,404.70 = 136,428.30/x
  3. Step 3: Cross multiply
    146,269.80x = 219,404.70 × 136,428.30
  4. Step 4: Simplify right side
    146,269.80x = 29,933,010,233.01
  5. Step 5: Solve for x
    x = 29,933,010,233.01/146,269.80
  6. Step 6: Final answer
    x = 204,642.45

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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.