Home / 146,899.28-220,354.12-47,046.48

Finding the Fourth Proportional to 146,899.28, 220,354.12 and 47,046.48

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Solution

The fourth proportional to 146,899.28, 220,354.12 and 47,046.48 is: 70,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,899.28 : 220,354.12 = 47,046.48 : x
  2. Step 2: Convert to fraction form
    146,899.28/220,354.12 = 47,046.48/x
  3. Step 3: Cross multiply
    146,899.28x = 220,354.12 × 47,046.48
  4. Step 4: Simplify right side
    146,899.28x = 10,366,885,699.50
  5. Step 5: Solve for x
    x = 10,366,885,699.50/146,899.28
  6. Step 6: Final answer
    x = 70,571.39

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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.