Home / 124,908.09-172,374.53-68,318.25

Finding the Fourth Proportional to 124,908.09, 172,374.53 and 68,318.25

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Solution

The fourth proportional to 124,908.09, 172,374.53 and 68,318.25 is: 94,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,908.09 : 172,374.53 = 68,318.25 : x
  2. Step 2: Convert to fraction form
    124,908.09/172,374.53 = 68,318.25/x
  3. Step 3: Cross multiply
    124,908.09x = 172,374.53 × 68,318.25
  4. Step 4: Simplify right side
    124,908.09x = 11,776,325,892.58
  5. Step 5: Solve for x
    x = 11,776,325,892.58/124,908.09
  6. Step 6: Final answer
    x = 94,279.93

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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.