Home / 124,744.94-172,148.01-68,156.72

Finding the Fourth Proportional to 124,744.94, 172,148.01 and 68,156.72

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Solution

The fourth proportional to 124,744.94, 172,148.01 and 68,156.72 is: 94,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.94 : 172,148.01 = 68,156.72 : x
  2. Step 2: Convert to fraction form
    124,744.94/172,148.01 = 68,156.72/x
  3. Step 3: Cross multiply
    124,744.94x = 172,148.01 × 68,156.72
  4. Step 4: Simplify right side
    124,744.94x = 11,733,043,716.13
  5. Step 5: Solve for x
    x = 11,733,043,716.13/124,744.94
  6. Step 6: Final answer
    x = 94,056.27

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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.