Home / 155,090.20-231,584.74-123,141.77

Finding the Fourth Proportional to 155,090.20, 231,584.74 and 123,141.77

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Solution

The fourth proportional to 155,090.20, 231,584.74 and 123,141.77 is: 183,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,090.20 : 231,584.74 = 123,141.77 : x
  2. Step 2: Convert to fraction form
    155,090.20/231,584.74 = 123,141.77/x
  3. Step 3: Cross multiply
    155,090.20x = 231,584.74 × 123,141.77
  4. Step 4: Simplify right side
    155,090.20x = 28,517,754,172.88
  5. Step 5: Solve for x
    x = 28,517,754,172.88/155,090.20
  6. Step 6: Final answer
    x = 183,878.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.