Home / 146,788.10-220,028.22-71,804.74

Finding the Fourth Proportional to 146,788.10, 220,028.22 and 71,804.74

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Solution

The fourth proportional to 146,788.10, 220,028.22 and 71,804.74 is: 107,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,788.10 : 220,028.22 = 71,804.74 : x
  2. Step 2: Convert to fraction form
    146,788.10/220,028.22 = 71,804.74/x
  3. Step 3: Cross multiply
    146,788.10x = 220,028.22 × 71,804.74
  4. Step 4: Simplify right side
    146,788.10x = 15,799,069,129.76
  5. Step 5: Solve for x
    x = 15,799,069,129.76/146,788.10
  6. Step 6: Final answer
    x = 107,631.81

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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.