Home / 120,272.27-180,355.05-64,101.89

Finding the Fourth Proportional to 120,272.27, 180,355.05 and 64,101.89

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Solution

The fourth proportional to 120,272.27, 180,355.05 and 64,101.89 is: 96,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,272.27 : 180,355.05 = 64,101.89 : x
  2. Step 2: Convert to fraction form
    120,272.27/180,355.05 = 64,101.89/x
  3. Step 3: Cross multiply
    120,272.27x = 180,355.05 × 64,101.89
  4. Step 4: Simplify right side
    120,272.27x = 11,561,098,674.27
  5. Step 5: Solve for x
    x = 11,561,098,674.27/120,272.27
  6. Step 6: Final answer
    x = 96,124.39

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1.5x scale

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.