Home / 124,742.07-172,143.77-68,153.85

Finding the Fourth Proportional to 124,742.07, 172,143.77 and 68,153.85

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Solution

The fourth proportional to 124,742.07, 172,143.77 and 68,153.85 is: 94,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,742.07 : 172,143.77 = 68,153.85 : x
  2. Step 2: Convert to fraction form
    124,742.07/172,143.77 = 68,153.85/x
  3. Step 3: Cross multiply
    124,742.07x = 172,143.77 × 68,153.85
  4. Step 4: Simplify right side
    124,742.07x = 11,732,260,338.25
  5. Step 5: Solve for x
    x = 11,732,260,338.25/124,742.07
  6. Step 6: Final answer
    x = 94,052.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.