Home / 122,473.21-169,007.61-68,757.16

Finding the Fourth Proportional to 122,473.21, 169,007.61 and 68,757.16

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Solution

The fourth proportional to 122,473.21, 169,007.61 and 68,757.16 is: 94,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,473.21 : 169,007.61 = 68,757.16 : x
  2. Step 2: Convert to fraction form
    122,473.21/169,007.61 = 68,757.16/x
  3. Step 3: Cross multiply
    122,473.21x = 169,007.61 × 68,757.16
  4. Step 4: Simplify right side
    122,473.21x = 11,620,483,281.99
  5. Step 5: Solve for x
    x = 11,620,483,281.99/122,473.21
  6. Step 6: Final answer
    x = 94,881.84

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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.