Home / 124,935.48-172,410.66-68,346.72

Finding the Fourth Proportional to 124,935.48, 172,410.66 and 68,346.72

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Solution

The fourth proportional to 124,935.48, 172,410.66 and 68,346.72 is: 94,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,935.48 : 172,410.66 = 68,346.72 : x
  2. Step 2: Convert to fraction form
    124,935.48/172,410.66 = 68,346.72/x
  3. Step 3: Cross multiply
    124,935.48x = 172,410.66 × 68,346.72
  4. Step 4: Simplify right side
    124,935.48x = 11,783,703,104.04
  5. Step 5: Solve for x
    x = 11,783,703,104.04/124,935.48
  6. Step 6: Final answer
    x = 94,318.31

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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.