Home / 122,475.08-169,002.54-68,766

Finding the Fourth Proportional to 122,475.08, 169,002.54 and 68,766

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Solution

The fourth proportional to 122,475.08, 169,002.54 and 68,766 is: 94,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,475.08 : 169,002.54 = 68,766 : x
  2. Step 2: Convert to fraction form
    122,475.08/169,002.54 = 68,766/x
  3. Step 3: Cross multiply
    122,475.08x = 169,002.54 × 68,766
  4. Step 4: Simplify right side
    122,475.08x = 11,621,628,665.64
  5. Step 5: Solve for x
    x = 11,621,628,665.64/122,475.08
  6. Step 6: Final answer
    x = 94,889.74

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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.