Home / 120,273.77-180,357.30-64,103.39

Finding the Fourth Proportional to 120,273.77, 180,357.30 and 64,103.39

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Solution

The fourth proportional to 120,273.77, 180,357.30 and 64,103.39 is: 96,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,273.77 : 180,357.30 = 64,103.39 : x
  2. Step 2: Convert to fraction form
    120,273.77/180,357.30 = 64,103.39/x
  3. Step 3: Cross multiply
    120,273.77x = 180,357.30 × 64,103.39
  4. Step 4: Simplify right side
    120,273.77x = 11,561,513,439.46
  5. Step 5: Solve for x
    x = 11,561,513,439.46/120,273.77
  6. Step 6: Final answer
    x = 96,126.64

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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.