Home / 122,554.37-169,098.79-71,543.95

Finding the Fourth Proportional to 122,554.37, 169,098.79 and 71,543.95

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Solution

The fourth proportional to 122,554.37, 169,098.79 and 71,543.95 is: 98,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,554.37 : 169,098.79 = 71,543.95 : x
  2. Step 2: Convert to fraction form
    122,554.37/169,098.79 = 71,543.95/x
  3. Step 3: Cross multiply
    122,554.37x = 169,098.79 × 71,543.95
  4. Step 4: Simplify right side
    122,554.37x = 12,097,994,531.33
  5. Step 5: Solve for x
    x = 12,097,994,531.33/122,554.37
  6. Step 6: Final answer
    x = 98,715.33

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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.