Home / 122,529.06-169,070.27-76,583.30

Finding the Fourth Proportional to 122,529.06, 169,070.27 and 76,583.30

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Solution

The fourth proportional to 122,529.06, 169,070.27 and 76,583.30 is: 105,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,529.06 : 169,070.27 = 76,583.30 : x
  2. Step 2: Convert to fraction form
    122,529.06/169,070.27 = 76,583.30/x
  3. Step 3: Cross multiply
    122,529.06x = 169,070.27 × 76,583.30
  4. Step 4: Simplify right side
    122,529.06x = 12,947,957,980.22
  5. Step 5: Solve for x
    x = 12,947,957,980.22/122,529.06
  6. Step 6: Final answer
    x = 105,672.55

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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.