Home / 152,821.83-229,221.90-40,499.55

Finding the Fourth Proportional to 152,821.83, 229,221.90 and 40,499.55

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Solution

The fourth proportional to 152,821.83, 229,221.90 and 40,499.55 is: 60,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,821.83 : 229,221.90 = 40,499.55 : x
  2. Step 2: Convert to fraction form
    152,821.83/229,221.90 = 40,499.55/x
  3. Step 3: Cross multiply
    152,821.83x = 229,221.90 × 40,499.55
  4. Step 4: Simplify right side
    152,821.83x = 9,283,383,800.15
  5. Step 5: Solve for x
    x = 9,283,383,800.15/152,821.83
  6. Step 6: Final answer
    x = 60,746.45

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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.