Home / 123,914.02-185,954.07-79,571.91

Finding the Fourth Proportional to 123,914.02, 185,954.07 and 79,571.91

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Solution

The fourth proportional to 123,914.02, 185,954.07 and 79,571.91 is: 119,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,914.02 : 185,954.07 = 79,571.91 : x
  2. Step 2: Convert to fraction form
    123,914.02/185,954.07 = 79,571.91/x
  3. Step 3: Cross multiply
    123,914.02x = 185,954.07 × 79,571.91
  4. Step 4: Simplify right side
    123,914.02x = 14,796,720,522.17
  5. Step 5: Solve for x
    x = 14,796,720,522.17/123,914.02
  6. Step 6: Final answer
    x = 119,411.19

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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.