Home / 155,422.34-232,828.48-80,591.41

Finding the Fourth Proportional to 155,422.34, 232,828.48 and 80,591.41

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Solution

The fourth proportional to 155,422.34, 232,828.48 and 80,591.41 is: 120,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,422.34 : 232,828.48 = 80,591.41 : x
  2. Step 2: Convert to fraction form
    155,422.34/232,828.48 = 80,591.41/x
  3. Step 3: Cross multiply
    155,422.34x = 232,828.48 × 80,591.41
  4. Step 4: Simplify right side
    155,422.34x = 18,763,974,120.14
  5. Step 5: Solve for x
    x = 18,763,974,120.14/155,422.34
  6. Step 6: Final answer
    x = 120,728.94

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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.