Home / 119,523.75-164,942.78-66,531.75

Finding the Fourth Proportional to 119,523.75, 164,942.78 and 66,531.75

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Solution

The fourth proportional to 119,523.75, 164,942.78 and 66,531.75 is: 91,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,523.75 : 164,942.78 = 66,531.75 : x
  2. Step 2: Convert to fraction form
    119,523.75/164,942.78 = 66,531.75/x
  3. Step 3: Cross multiply
    119,523.75x = 164,942.78 × 66,531.75
  4. Step 4: Simplify right side
    119,523.75x = 10,973,931,803.27
  5. Step 5: Solve for x
    x = 10,973,931,803.27/119,523.75
  6. Step 6: Final answer
    x = 91,813.82

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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.