Home / 122,554.91-169,099.54-71,544.50

Finding the Fourth Proportional to 122,554.91, 169,099.54 and 71,544.50

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Solution

The fourth proportional to 122,554.91, 169,099.54 and 71,544.50 is: 98,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,554.91 : 169,099.54 = 71,544.50 : x
  2. Step 2: Convert to fraction form
    122,554.91/169,099.54 = 71,544.50/x
  3. Step 3: Cross multiply
    122,554.91x = 169,099.54 × 71,544.50
  4. Step 4: Simplify right side
    122,554.91x = 12,098,141,194.03
  5. Step 5: Solve for x
    x = 12,098,141,194.03/122,554.91
  6. Step 6: Final answer
    x = 98,716.09

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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.