Home / 146,315.84-219,462.86-52,821.68

Finding the Fourth Proportional to 146,315.84, 219,462.86 and 52,821.68

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Solution

The fourth proportional to 146,315.84, 219,462.86 and 52,821.68 is: 79,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,315.84 : 219,462.86 = 52,821.68 : x
  2. Step 2: Convert to fraction form
    146,315.84/219,462.86 = 52,821.68/x
  3. Step 3: Cross multiply
    146,315.84x = 219,462.86 × 52,821.68
  4. Step 4: Simplify right side
    146,315.84x = 11,592,396,962.80
  5. Step 5: Solve for x
    x = 11,592,396,962.80/146,315.84
  6. Step 6: Final answer
    x = 79,228.58

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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.