Home / 122,186.16-168,617.04-68,471.91

Finding the Fourth Proportional to 122,186.16, 168,617.04 and 68,471.91

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Solution

The fourth proportional to 122,186.16, 168,617.04 and 68,471.91 is: 94,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,186.16 : 168,617.04 = 68,471.91 : x
  2. Step 2: Convert to fraction form
    122,186.16/168,617.04 = 68,471.91/x
  3. Step 3: Cross multiply
    122,186.16x = 168,617.04 × 68,471.91
  4. Step 4: Simplify right side
    122,186.16x = 11,545,530,787.35
  5. Step 5: Solve for x
    x = 11,545,530,787.35/122,186.16
  6. Step 6: Final answer
    x = 94,491.31

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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.