Home / 155,089.70-231,583.99-123,141.27

Finding the Fourth Proportional to 155,089.70, 231,583.99 and 123,141.27

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Solution

The fourth proportional to 155,089.70, 231,583.99 and 123,141.27 is: 183,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,089.70 : 231,583.99 = 123,141.27 : x
  2. Step 2: Convert to fraction form
    155,089.70/231,583.99 = 123,141.27/x
  3. Step 3: Cross multiply
    155,089.70x = 231,583.99 × 123,141.27
  4. Step 4: Simplify right side
    155,089.70x = 28,517,546,332.41
  5. Step 5: Solve for x
    x = 28,517,546,332.41/155,089.70
  6. Step 6: Final answer
    x = 183,877.76

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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.