Home / 122,600.79-169,171.74-68,883.21

Finding the Fourth Proportional to 122,600.79, 169,171.74 and 68,883.21

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Solution

The fourth proportional to 122,600.79, 169,171.74 and 68,883.21 is: 95,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,600.79 : 169,171.74 = 68,883.21 : x
  2. Step 2: Convert to fraction form
    122,600.79/169,171.74 = 68,883.21/x
  3. Step 3: Cross multiply
    122,600.79x = 169,171.74 × 68,883.21
  4. Step 4: Simplify right side
    122,600.79x = 11,653,092,492.49
  5. Step 5: Solve for x
    x = 11,653,092,492.49/122,600.79
  6. Step 6: Final answer
    x = 95,049.08

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1.5x scale

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.