Home / 215,428.86-323,290.94-75,187.48

Finding the Fourth Proportional to 215,428.86, 323,290.94 and 75,187.48

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Solution

The fourth proportional to 215,428.86, 323,290.94 and 75,187.48 is: 112,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,428.86 : 323,290.94 = 75,187.48 : x
  2. Step 2: Convert to fraction form
    215,428.86/323,290.94 = 75,187.48/x
  3. Step 3: Cross multiply
    215,428.86x = 323,290.94 × 75,187.48
  4. Step 4: Simplify right side
    215,428.86x = 24,307,431,085.43
  5. Step 5: Solve for x
    x = 24,307,431,085.43/215,428.86
  6. Step 6: Final answer
    x = 112,832.75

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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.