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Finding the Fourth Proportional to 134,367.42, 201,518.73 and 39,571.77

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Solution

The fourth proportional to 134,367.42, 201,518.73 and 39,571.77 is: 59,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,367.42 : 201,518.73 = 39,571.77 : x
  2. Step 2: Convert to fraction form
    134,367.42/201,518.73 = 39,571.77/x
  3. Step 3: Cross multiply
    134,367.42x = 201,518.73 × 39,571.77
  4. Step 4: Simplify right side
    134,367.42x = 7,974,452,834.25
  5. Step 5: Solve for x
    x = 7,974,452,834.25/134,367.42
  6. Step 6: Final answer
    x = 59,348.11

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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.