Home / 155,849.57-214,972.67-108,085.49

Finding the Fourth Proportional to 155,849.57, 214,972.67 and 108,085.49

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Solution

The fourth proportional to 155,849.57, 214,972.67 and 108,085.49 is: 149,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,849.57 : 214,972.67 = 108,085.49 : x
  2. Step 2: Convert to fraction form
    155,849.57/214,972.67 = 108,085.49/x
  3. Step 3: Cross multiply
    155,849.57x = 214,972.67 × 108,085.49
  4. Step 4: Simplify right side
    155,849.57x = 23,235,424,758.27
  5. Step 5: Solve for x
    x = 23,235,424,758.27/155,849.57
  6. Step 6: Final answer
    x = 149,088.80

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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.