Home / 145,508.54-218,277.99-40,327.61

Finding the Fourth Proportional to 145,508.54, 218,277.99 and 40,327.61

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Solution

The fourth proportional to 145,508.54, 218,277.99 and 40,327.61 is: 60,495.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,508.54 : 218,277.99 = 40,327.61 : x
  2. Step 2: Convert to fraction form
    145,508.54/218,277.99 = 40,327.61/x
  3. Step 3: Cross multiply
    145,508.54x = 218,277.99 × 40,327.61
  4. Step 4: Simplify right side
    145,508.54x = 8,802,628,560.91
  5. Step 5: Solve for x
    x = 8,802,628,560.91/145,508.54
  6. Step 6: Final answer
    x = 60,495.62

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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.