Home / 122,711.84-169,337.96-68,999.94

Finding the Fourth Proportional to 122,711.84, 169,337.96 and 68,999.94

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Solution

The fourth proportional to 122,711.84, 169,337.96 and 68,999.94 is: 95,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,711.84 : 169,337.96 = 68,999.94 : x
  2. Step 2: Convert to fraction form
    122,711.84/169,337.96 = 68,999.94/x
  3. Step 3: Cross multiply
    122,711.84x = 169,337.96 × 68,999.94
  4. Step 4: Simplify right side
    122,711.84x = 11,684,309,079.72
  5. Step 5: Solve for x
    x = 11,684,309,079.72/122,711.84
  6. Step 6: Final answer
    x = 95,217.45

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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.