Home / 120,637.22-180,894-63,741.68

Finding the Fourth Proportional to 120,637.22, 180,894 and 63,741.68

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Solution

The fourth proportional to 120,637.22, 180,894 and 63,741.68 is: 95,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,637.22 : 180,894 = 63,741.68 : x
  2. Step 2: Convert to fraction form
    120,637.22/180,894 = 63,741.68/x
  3. Step 3: Cross multiply
    120,637.22x = 180,894 × 63,741.68
  4. Step 4: Simplify right side
    120,637.22x = 11,530,487,461.92
  5. Step 5: Solve for x
    x = 11,530,487,461.92/120,637.22
  6. Step 6: Final answer
    x = 95,579.85

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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.