Home / 124,912.32-172,381.73-68,323.70

Finding the Fourth Proportional to 124,912.32, 172,381.73 and 68,323.70

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Solution

The fourth proportional to 124,912.32, 172,381.73 and 68,323.70 is: 94,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912.32 : 172,381.73 = 68,323.70 : x
  2. Step 2: Convert to fraction form
    124,912.32/172,381.73 = 68,323.70/x
  3. Step 3: Cross multiply
    124,912.32x = 172,381.73 × 68,323.70
  4. Step 4: Simplify right side
    124,912.32x = 11,777,756,402.47
  5. Step 5: Solve for x
    x = 11,777,756,402.47/124,912.32
  6. Step 6: Final answer
    x = 94,288.19

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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.