Home / 155,311.27-232,928.42-66,554.71

Finding the Fourth Proportional to 155,311.27, 232,928.42 and 66,554.71

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Solution

The fourth proportional to 155,311.27, 232,928.42 and 66,554.71 is: 99,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,311.27 : 232,928.42 = 66,554.71 : x
  2. Step 2: Convert to fraction form
    155,311.27/232,928.42 = 66,554.71/x
  3. Step 3: Cross multiply
    155,311.27x = 232,928.42 × 66,554.71
  4. Step 4: Simplify right side
    155,311.27x = 15,502,481,946.44
  5. Step 5: Solve for x
    x = 15,502,481,946.44/155,311.27
  6. Step 6: Final answer
    x = 99,815.57

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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.