Home / 146,519.30-219,616.95-57,743.30

Finding the Fourth Proportional to 146,519.30, 219,616.95 and 57,743.30

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Solution

The fourth proportional to 146,519.30, 219,616.95 and 57,743.30 is: 86,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,519.30 : 219,616.95 = 57,743.30 : x
  2. Step 2: Convert to fraction form
    146,519.30/219,616.95 = 57,743.30/x
  3. Step 3: Cross multiply
    146,519.30x = 219,616.95 × 57,743.30
  4. Step 4: Simplify right side
    146,519.30x = 12,681,407,428.94
  5. Step 5: Solve for x
    x = 12,681,407,428.94/146,519.30
  6. Step 6: Final answer
    x = 86,551.11

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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.