Home / 131,023.72-180,819.14-73,681.09

Finding the Fourth Proportional to 131,023.72, 180,819.14 and 73,681.09

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Solution

The fourth proportional to 131,023.72, 180,819.14 and 73,681.09 is: 101,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,023.72 : 180,819.14 = 73,681.09 : x
  2. Step 2: Convert to fraction form
    131,023.72/180,819.14 = 73,681.09/x
  3. Step 3: Cross multiply
    131,023.72x = 180,819.14 × 73,681.09
  4. Step 4: Simplify right side
    131,023.72x = 13,322,951,328.06
  5. Step 5: Solve for x
    x = 13,322,951,328.06/131,023.72
  6. Step 6: Final answer
    x = 101,683.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.