Home / 146,845.71-220,199.76-86,074.44

Finding the Fourth Proportional to 146,845.71, 220,199.76 and 86,074.44

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Solution

The fourth proportional to 146,845.71, 220,199.76 and 86,074.44 is: 129,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,845.71 : 220,199.76 = 86,074.44 : x
  2. Step 2: Convert to fraction form
    146,845.71/220,199.76 = 86,074.44/x
  3. Step 3: Cross multiply
    146,845.71x = 220,199.76 × 86,074.44
  4. Step 4: Simplify right side
    146,845.71x = 18,953,570,599.76
  5. Step 5: Solve for x
    x = 18,953,570,599.76/146,845.71
  6. Step 6: Final answer
    x = 129,071.33

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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.