Home / 149,211.47-223,819.53-83,071.97

Finding the Fourth Proportional to 149,211.47, 223,819.53 and 83,071.97

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Solution

The fourth proportional to 149,211.47, 223,819.53 and 83,071.97 is: 124,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,211.47 : 223,819.53 = 83,071.97 : x
  2. Step 2: Convert to fraction form
    149,211.47/223,819.53 = 83,071.97/x
  3. Step 3: Cross multiply
    149,211.47x = 223,819.53 × 83,071.97
  4. Step 4: Simplify right side
    149,211.47x = 18,593,129,281.57
  5. Step 5: Solve for x
    x = 18,593,129,281.57/149,211.47
  6. Step 6: Final answer
    x = 124,609.25

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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.