Home / 86,733.86-119,658.94-54,454.75

Finding the Fourth Proportional to 86,733.86, 119,658.94 and 54,454.75

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Solution

The fourth proportional to 86,733.86, 119,658.94 and 54,454.75 is: 75,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,733.86 : 119,658.94 = 54,454.75 : x
  2. Step 2: Convert to fraction form
    86,733.86/119,658.94 = 54,454.75/x
  3. Step 3: Cross multiply
    86,733.86x = 119,658.94 × 54,454.75
  4. Step 4: Simplify right side
    86,733.86x = 6,515,997,227.68
  5. Step 5: Solve for x
    x = 6,515,997,227.68/86,733.86
  6. Step 6: Final answer
    x = 75,126.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.