Home / 149,980.71-225,054.09-89,861.44

Finding the Fourth Proportional to 149,980.71, 225,054.09 and 89,861.44

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Solution

The fourth proportional to 149,980.71, 225,054.09 and 89,861.44 is: 134,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,980.71 : 225,054.09 = 89,861.44 : x
  2. Step 2: Convert to fraction form
    149,980.71/225,054.09 = 89,861.44/x
  3. Step 3: Cross multiply
    149,980.71x = 225,054.09 × 89,861.44
  4. Step 4: Simplify right side
    149,980.71x = 20,223,684,605.29
  5. Step 5: Solve for x
    x = 20,223,684,605.29/149,980.71
  6. Step 6: Final answer
    x = 134,841.90

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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.