Home / 122,583.02-169,178.30-74,211.61

Finding the Fourth Proportional to 122,583.02, 169,178.30 and 74,211.61

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Solution

The fourth proportional to 122,583.02, 169,178.30 and 74,211.61 is: 102,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,583.02 : 169,178.30 = 74,211.61 : x
  2. Step 2: Convert to fraction form
    122,583.02/169,178.30 = 74,211.61/x
  3. Step 3: Cross multiply
    122,583.02x = 169,178.30 × 74,211.61
  4. Step 4: Simplify right side
    122,583.02x = 12,554,993,226.06
  5. Step 5: Solve for x
    x = 12,554,993,226.06/122,583.02
  6. Step 6: Final answer
    x = 102,420.33

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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.