Home / 120,273.27-180,356.55-64,102.89

Finding the Fourth Proportional to 120,273.27, 180,356.55 and 64,102.89

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Solution

The fourth proportional to 120,273.27, 180,356.55 and 64,102.89 is: 96,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,273.27 : 180,356.55 = 64,102.89 : x
  2. Step 2: Convert to fraction form
    120,273.27/180,356.55 = 64,102.89/x
  3. Step 3: Cross multiply
    120,273.27x = 180,356.55 × 64,102.89
  4. Step 4: Simplify right side
    120,273.27x = 11,561,376,085.43
  5. Step 5: Solve for x
    x = 11,561,376,085.43/120,273.27
  6. Step 6: Final answer
    x = 96,125.90

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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.